number of atoms of elements are found in the formula 3He2O4PH

Number Of Atoms Of Elements Are Found In The Formula 3He2O4PH

Answers

Answer 1

The number of atoms of each element found in the formula 3He₂O₄PH are: 6 Helium atoms, 4 Oxygen atoms, 1 Phosphorus atom, and 1 Hydrogen atom.

What is the number of atoms of element in the compound?

The formula 3He₂O₄PH represents a molecule containing the elements Helium (He), Oxygen (O), Phosphorus (P) and Hydrogen (H).

The subscripts in the formula indicate the number of atoms of each element present in one molecule of the compound.

Therefore, the number of atoms of each element in 3He₂O₄PH is:

Helium (He): 3 x 2 = 6 atomsOxygen (O): 4 atomsPhosphorus (P): 1 atomHydrogen (H): 1 atom

Learn more about number of atoms here: https://brainly.com/question/6258301

#SPJ1


Related Questions

State whether M=[-1 -4] has an inverse. If the inverse exists, find it.​

Answers

No, the inverse of the matrix represented as M=[-1 -4] does not exist.

What is an inverse matrix?

An inverse matrix is a square matrix that, when multiplied by its original matrix, yields the identity matrix. It allows for solving linear equations involving the original matrix.

To determine if a matrix has an inverse, we can compute its determinant. If the determinant is nonzero, then the matrix has an inverse; if the determinant is zero, then the matrix does not have an inverse.

The given matrix M is a 1x2 matrix, so it's not square and it doesn't have an inverse.

Therefore, we can't find the inverse of matrix M.

Learn more about Inverse Matrix:
https://brainly.com/question/4017205
#SPJ1

A chemist prepares a solution of potassium permanganate (KMnO4) by measuring out 36. mol of potassium permanganate into a 500. mL volumetric flask
and filling the flask to the mark with water.
Calculate the concentration in mol/L of the chemist's potassium permanganate solution. Be sure your answer has the correct number of significant digits.

Answers

The concentration of the potassium permanganate solution is 72 mol/L. The answer has three significant figures because the volume of the flask has only one significant figure.

How The answer was obtained

The concentration of the potassium permanganate solution can be calculated using the formula:

concentration = moles of solute / volume of solution

where the volume of solution is in liters.

First, we need to convert the volume of the flask from milliliters to liters:

500 mL = 0.500 L

Next, we can calculate the concentration of the solution:

concentration = 36. mol / 0.500 L

concentration = 72 mol/L

The concentration of the potassium permanganate solution is 72 mol/L. The answer has three significant figures because the volume of the flask has only one significant figure.

Learn more on calculating chemical concentrations here https://brainly.com/question/28564792

#SPJ1

For the following reaction, which of the reactants would be the acid?

HNO2 ( aq ) + HS - ( aq ) → NO2 - ( aq ) + H2S ( aq )



Select one:

a.
HS -


b.
H2O


c.
NO2 -


d.
HNO2

(Chem 2 Quiz 3.1)

Answers

The acid in the reaction would donate a proton and that would be HNO2.

How do you know an acid in a reaction?

An acid in a chemical reaction can be identified by the presence of hydrogen ions (H+): Acids are compounds that produce hydrogen ions when dissolved in water. In a chemical reaction, an acid may donate a hydrogen ion to another compound or accept a pair of electrons from a base.

When we look at the reaction, we can see that the specie that has given out the replaceable hydrogen ion is HNO2 thus it is the acid in the reaction.

Learn more about acid:https://brainly.com/question/14072179

#SPJ1

the denaturing of proteins occurs when the stabilizing forces are altered. below is the set of processes in which proteins are denatured.

Answers

The correct answer is bleaching of hair with hydrogen peroxide, curdling of milk by rennin and straightening frizzy hair by conditioner.

What is protein denaturation?

Protein denaturation is the process by which a protein loses its shape and function due to exposure to certain environmental conditions such as heat, pH, pressure, or chemical agents. The denaturation process can cause the protein's structure to unravel, leading to the loss of its biological activity. This happens because the protein's three-dimensional structure is crucial to its function, and when the structure is altered, the protein may no longer be able to perform its intended function.

Protein denaturation can occur reversibly or irreversibly depending on the extent of the damage to the protein's structure. Reversible denaturation occurs when the protein regains its structure and function once the environmental stressor is removed, while irreversible denaturation occurs when the damage is permanent and the protein cannot regain its function.

To know more about protein denaturation, visit:

https://brainly.com/question/19756195

#SPJ1

The full question is:

The denaturing of proteins occurs when the stabilizing forces are altered. Below is the set of processes in which proteins are denatured. Write the chemicals necessary for the denaturation to occur

1. Bleaching of hair

2. Curdling of milk

3. Straightening frizzy hair

Which of the following would INITIATE a Sea Beeze?

A.
Pressure Differences

B.
Temperature Differences

C.
Differences in Friction

D.
Air Mass Differences

Answers

The answer is B Temperature Differences

true or false the water cycle affects weather

Answers

Answer:

true

The water cycle affects the weather and climate of a particular region in multiple ways

Assuming that all is working properly, which of the following is at a higher energy level?

Answers

If all is working correctly, the electron in a higher orbital or shell will have more energy than the electron in a lower orbital or shell. The following statement is correct: The electron that is farther away from the nucleus is at a higher energy level.

In order for the electron to escape from the atom, it must be excited, meaning that it must absorb energy. When this occurs, the electron moves to a higher energy level, which is farther from the nucleus. Because the electron is now in an excited state, it is more vulnerable to being released from the atom if additional energy is provided to it. According to Bohr's model of the atom, electrons revolve around the nucleus in circular orbits with varying energy levels. As the distance between the nucleus and the electron increases, so does the energy level of the electron. The energy of electrons in the first energy level is the lowest, and as the energy level increases, so does the energy of electrons. As a result, electrons in the outermost shell have the highest energy levels.

To learn more about Nucleus :

https://brainly.com/question/9651421

#SPJ11

If a vinegar solution contains 0.26 mole of acetic acid (HC₂H₃O₂) and has a total mass of 31.5g, what is mass percent of the solution? (Hint: you need to calculate the mass of the solute (acetic acid) first).

Answers

The mass percent of the solution can be calculated using the following formula and the value we got is 49.3%.

What is mass percent?

Mass percent, also known as percent by mass or weight percent, is a way of expressing the composition of a mixture in terms of the mass of each component. It is calculated by taking the total mass of the mixture and dividing it by the mass of one component, then multiplying the result by 100%. Mass percent is often used to describe the concentration of a solution, as it gives the proportion of the solution that is composed of a particular component. For example, a solution with a mass percent of 10% of salt means that 10g of salt is present for every 100g of solution.

The mass of the solute (acetic acid) can be calculated using the molar mass of acetic acid, which is 60.05 g/mol.
0.26 mol acetic acid X (60.05 g/mol) = 15.51 g acetic acid
The mass percent of the solution can be calculated using the following formula:
(Mass of solute/Total mass) X 100 = Mass percent
(15.51 g/31.5 g) X 100 = 49.3%.

To learn more about mass percent
https://brainly.com/question/4336659
#SPJ1

ing The
Ionic bonds are made by electrons.

Answers

An ionic bond is formed by the complete transfer of some electrons from one atom to another. The atom losing one or more electrons becomes a cation—a positively charged ion. The atom gaining one or more electron becomes an anion—a negatively charged ion.

b) Verify by calculation what volume of the base it should take to neutralize 50.0 mL of 0.1 M HCl (aq)
with 0.1 M NaOH(aq).

Answers

Answer:

50 ml

Explanation:

n = moles

c = concentration

v = volume

n = c × v

HCl + NaOH --> NaCl + H2O

HCl:

50 ml = 50 cm³ = 0.05 dm³

n = 0.05 × 0.1

n = 0.005

Ratio of HCl to NaOH:

HCl : NaOH

Based on reaction equation:

1 : 1

0.005 : x

x = 0.005

NaOH:

0.005 = 0.1 × v

v = 0.05

0.05 dm³ = 50 cm³ = 50 ml

which substance would shatter when hit with a hammer? steel, bronze, table salt, copper

Answers

Answer:

Table salt.

Explanation:

Table salt would shatter when hit with a hammer.

the adolescent brain tends to have more mature pleasure-seeking systems and less advanced systems for controlling behavior.

Answers

This claim is untrue. A developmental mismatch between the maturation of various brain systems, particularly the prefrontal cortex, and the limbic system, is a hallmark of the teenage brain.

The limbic system, which is engaged in emotion regulation and reward processing, develops earlier than the prefrontal cortex, which is in charge of impulse control, decision-making, and other executive processes.

Teenagers may therefore be more likely to participate in a dangerous activity and seek out unique experiences, but they may also have trouble controlling their impulses and making reasoned decisions.

The development of the brain is a complicated and ongoing process, and individual variations in neural maturation and life events can also have an impact on teenage behavior and decision-making.

However, there is no typical pattern of adolescent behavior or brain function due to individual variances and ongoing brain development.

learn more about controlling behavior here

https://brainly.com/question/6646156

#SPJ1

Each of the properties that follow is a characteristics of the carbon atom. in each case, indicate how the property contributes to the role of the carbon atom as the most important atom in biological molecules.
a. the carbon atom has a valence of four.
b. the carbon-carbon bond has a bond energy that is above the energy of photons of light in the visible range(400-700)
c. carbon is one of the lightest elements to form a covalent bond.
d. carbon can form single, double and triple bonds.
e. the carbon atom is a tetrahedral structure.

Answers

Carbon's unique properties such as having a valence of four, the ability to form various types of bonds including double and triple bonds, and its tetrahedral structure.

What are the properties of carbon bonds?

a. The carbon atom's valence of four enables it to form up to four covalent bonds with other atoms, allowing for the formation of diverse organic molecules. This property makes carbon the backbone of many biological molecules, including carbohydrates, lipids, proteins, and nucleic acids.

b. The high bond energy of carbon-carbon bonds makes them stable and resistant to breaking under normal physiological conditions, contributing to the stability of biological molecules. This property allows for the formation of complex macromolecules, such as enzymes and DNA, which are essential to life.

c. Carbon's relatively low atomic weight allows it to form strong covalent bonds without adding significant mass to the molecule. This property is essential for the formation of large and complex biological molecules, which require many carbon atoms to function properly.

d. The ability of carbon to form single, double, and triple bonds allows for the formation of diverse molecular structures, including cyclic structures and branching chains. This property contributes to the diversity of organic molecules found in living organisms, allowing for the creation of molecules with specific functions.

e. The tetrahedral structure of the carbon atom enables it to form strong and stable bonds with other atoms while maintaining a relatively stable geometry. This property is essential for the formation of complex three-dimensional structures in proteins and other biological molecules, allowing them to perform specific functions within cells.

Learn more about carbon bond here: https://brainly.com/question/12156863

#SPJ1

H2O+C2H5O→C2H5OH+OH NH4+OH→NH3+H20
Which of the two reactions is consistent with the Arrhenius theory of acids and bases
Give the Bronsted Lowry definition of an acid and base
List each acid and its conjugate base for each of the reactions above
Choose one of the above reactions and use Lewis structures to illustrate how it is consistent with the Lewis theory of acids and bases

Answers

The interaction between Arrhenius acid and base, which produces salt and water as a byproduct, is referred to as a neutralisation reaction. Strong acids include substances like HCl, HNO3, H2SO4, etc.

What does an Arrhenius reaction look like?

The term "Arrhenius acid" refers to a material that contains a hydrogen atom that readily releases a hydrogen ion and proton when it is in contact with water. For instance, when hydrochloric acid dissolves in water, it produces the ions hydronium (H3O+) and chloride (Cl-).

That Arrhenius theory of bases and acids is which of the following?

The hydrogen ion (H+) is one of the electrically charged molecules or atoms that are produced when an acid dissociates in water, according to the Arrhenius theory, which was first proposed by Swedish scientist Svante Berzelius in 1887. On the other hand, bases ionise in water to produce hydroxide ions (OH).

To know more about neutralisation visit:

https://brainly.com/question/27435656

#SPJ1

The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K is 0.0450 1/min, then what is the value of the rate constant at 769 K? (R = 8.314 J/mol • K)

Answers

At 769 K, the rate constant equals 2.22 1/min.

When the reaction's EA is zero, what is the reaction's rate constant equal to?

The final expression is either k=A or k=A. This implies that the response rate will be equal to the value of the collision frequency rather than the temperature when the activation energy is zero.

The Arrhenius equation, which connects the rate constant (k) to the activation energy (Ea) and temperature (T), can be used to solve this issue:

[tex]A = * exp (-Ea / (R * T))[/tex]

With the rate constant (k) at 475 K, we can utilize this knowledge to calculate the pre-exponential factor (A) as follows:

0.0450 1/min = A * exp(-13.6 kJ/mol / (8.314 J/mol•K * 475 K))

[tex]A = 5.74 x 10^9 min^-1[/tex]

The rate constant (k) at 769 K can now be calculated using the Arrhenius equation once more as follows:

[tex]k = 5.74 x 10^9 min^-1[/tex] * exp(-13.6 kJ/mol / (8.314 J/mol•K * 769 K))

k = 2.22 1/min (rounded to two significant figures)

To know more about rate constant visit:-

https://brainly.com/question/20305871

#SWPJ1

If He(g) has an average kinetic energy of 7450 J/mol
under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions?

Answers

The root mean square speed of F2(g) molecules under the same conditions is approximately 431.3 m/s.

How to solve for the rms speed of F2(g) molecules ?

The root mean square (rms) speed of a gas molecule is related to its average kinetic energy (KE) by the following equation:

rms speed = √(3RT/M)

Where

R is the gas constantT is the temperature in KelvinM is the molar mass of the gas

To solve for the rms speed of F2(g) molecules, we need to know the temperature and molar mass of F2(g). Let's assume that the temperature is the same as the conditions in which He(g) has an average kinetic energy of 7450 J/mol. The molar mass of F2 is 2 x the molar mass of one fluorine atom, which is approximately 19 amu.

Substituting these values into the equation, we get:

rms speed = √(3RT/M)rms speed = √(3 x R x T / M)rms speed = √(3 x 8.314 J/mol·K x T / 38.00 g/mol)rms speed = √(24.942 J/K·mol x T / 38.00 g/mol)rms speed = √(0.6564 J/K x mol x T)

Now we can solve for the rms speed by plugging in the given value of average kinetic energy for He(g) and solving for T:

7450 J/mol = (1/2) x (3/2) x R x T

T = 7450 J/mol / (1.5 x 8.314 J/mol·K)

T = 597 K

Substituting this value of T into the equation for rms speed, we get:

rms speed = √(0.6564 J/K x mol x 597 K / 1 mol)

rms speed = 431.3 m/s

Therefore, the root mean square speed of F2(g) molecules under the same conditions is approximately 431.3 m/s.

Learn more about average kinetic energy here : brainly.com/question/492249

#SPJ1

2.75g NaCL is present
in 650g of Water. Is the solution saturated or unsaturated?
(Solubility of wäter is 0.33%6)

Answers

Answer:

To determine if the solution is saturated or unsaturated, we need to compare the amount of NaCl in the solution to its solubility in water at the given temperature.

The solubility of NaCl in water at room temperature (25°C) is approximately 36 grams per 100 grams of water, or 0.36 g/g. This means that at 25°C, water can dissolve up to 0.36 grams of NaCl per gram of water.

In this case, we have 2.75 grams of NaCl dissolved in 650 grams of water. To find the concentration of NaCl in the solution, we divide the mass of NaCl by the total mass of the solution:

concentration of NaCl = mass of NaCl / total mass of solution

concentration of NaCl = 2.75 g / (2.75 g + 650 g)

concentration of NaCl = 0.0042 g/g

Comparing the concentration of NaCl in the solution to its solubility in water at 25°C, we see that:

0.0042 g/g < 0.36 g/g

Since the concentration of NaCl in the solution is less than its solubility in water, the solution is unsaturated.

Explanation:

Ethanol (C2H5OH) boils at a temperature of 78.3 degrees C. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1 degrees C? The specific heat of ethanol is approximately constant at 2.44 JK−1g−1. The heat of vaporization of ethanol is 38.56 kJ mol−1.

Answers

The total amount of energy necessary to heat and vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1 degrees C is 7.15 kJ.

To calculate the amount of energy, in joules, necessary to heat and vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1 degrees C, we must first calculate the heat necessary to heat the sample to the boiling point of ethanol, 78.3 degrees C. The formula to calculate the amount of energy is: Q = mcΔT, where m is the mass of the sample, c is the specific heat of ethanol, and ΔT is the temperature change from 11.1 degrees C to 78.3 degrees C. Thus, the amount of energy necessary to heat the sample is: Q = 13.1 g * 2.44 JK−1g−1 * (78.3-11.1) = 1,623.08 J.
Next, we must calculate the amount of energy necessary to completely vaporize the sample. To do so, we must use the heat of vaporization of ethanol, which is 38.56 kJ mol−1. To convert from moles to grams, we must use the molar mass of ethanol, which is 46 g/mol. Thus, the amount of energy necessary to vaporize the sample is: Q = (13.1 g/46 g/mol) * 38.56 kJ/mol = 7.15 kJ.
Finally, to calculate the total amount of energy necessary to heat and vaporize the sample, we must add the two values together: Q = 1,623.08 J + 7.15 kJ = 7.15 kJ. the total amount of energy necessary to heat and vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1 degrees C is 7.15 kJ.

For more such questions on ethanol

https://brainly.com/question/29523373

#SPJ11

What statement is true about the elements present in a compound

Answers

Answer:

A compound is a material formed by chemically bonding two or more chemical elements. The type of bond keeping elements in a compound together may vary: covalent bonds and ionic bonds are two common types. The elements are always present in fixed ratios in any compound.

Explanation:

Reaction:
N2 + 3H2 ------> 2NH3

Question 1: Calculate the mass of N2 needed to react with 10 g of H2

Question 2: Calculate the mass of N2 needed to produce 15 g of NH3​

Answers

Explanation:

The reactant contains 2N and 6H

The product contains 2N and 6H

Therefore, the chemical equation is balanced

From the equation, for every 1 mole of N2 that reacts, 3 moles of H2 are required.

We know 28.6 grams of N2 reacted, but we don’t know the mass ratio but just the mole ratio, so we have to convert 28.6 grams of N2 to the corresponding moles of N2.

From the periodic table, the molar mass of N is about 14 g/mol, so the molar mass of nitrogen gas or N2 is two times of that which is 28 g/mol.

With this, we can calculate moles of N2, but we also need to make sure the equation is setted up the right way.

Looking at the units, if we cancel out the grams, we are left with mol. We also know that in multiplication, numerator of one number cancel with the denominator of another number and vice versa

So the equation looks like this 28.6g * mol/28g = 1.021 mol N2

So the number of moles of H2 required is 1.021 mol N2 * 3 mol H2/1 mol N2 = 3.063 mol H2 (notice that mol N2 canceled out, so the equation is set up correctly)

However, the question ask for number of grams of H2 needed, so we need the molar mass of hydrogen gas or H2, which is 1*2 = 2 g/mol

3.063 mol H2 * 2 g H2/ mol H2 = 6.126 g H2

Ans: 6.126 g H2

Which of the following reaction types are reversible?

a Synthesis

b. Decomposition

c. Single-Replacement

d. Both A&B are correct

Answers

According to the question Synthesis and Decomposition reaction types are reversible.

What is reversible?

Reversible items are those that can be returned to their original state after being altered or changed in some way. Examples of reversible items include clothing items with zippers or buttons, items that can be folded or unfolded, items with removable parts, and items that can be reconfigured. Reversible items can be used multiple times, which helps reduce waste and save money. Additionally, reversible items can be used in a variety of different ways, giving them more versatility than non-reversible items. Reversible items can also be reconfigured to fit different needs and situations. For example, a reversible shirt can be worn with the buttons on the front or the back, giving it a different look each time it is worn. Reversible items are a great way to be more eco-friendly and get the most out of your wardrobe.

To learn more about reversible

https://brainly.com/question/21426719

#SPJ1

The reversible reaction types include Synthesis and Decomposition.

How does reversible reaction work?

The chemical processes known as reversible reactions are those that can go both forward and backward.

These processes are also referred to as bidirectional processes. Typically, a reversible reaction is represented as A⇌B

A is the reactant and B is the product in this instance.

Reactant: A chemical reaction begins with reactants or starting ingredients. Chemical bonds between reactants are broken and new ones are made to create products during this chemical transformation. A is the reactant in this scenario, while B is the outcome.

To know more about the reversible reaction visit:

https://brainly.com/question/16614705

#SPJ1

match the problems that arise when a particular situation is present when running a spectrum of a neat liquid:

Answers

The problem that arises when running a spectrum of a neat liquid is that it can be difficult to distinguish the peaks in the spectrum due to the broadening of the baseline.

This is because the baseline broadening is caused by the interaction of the solvent molecules with the solute molecules, which is difficult to avoid. To reduce the baseline broadening, it is necessary to reduce the solvent concentration or use a denser solvent. In addition, it is also important to ensure that the sample is well-mixed, since inhomogeneity in the sample can lead to peak broadening. It is also important to reduce noise in the spectra, since this can lead to peak broadening or obscuring of the peaks. Finally, it is important to carefully choose the range of wavelengths to be measured, since if the range is too wide, then the baseline broadening may obscure the peaks.

In conclusion, the problems that arise when running a spectrum of a neat liquid include baseline broadening, inhomogeneity in the sample, noise in the spectra, and a too wide range of wavelengths being measured. To reduce these issues, it is important to reduce the solvent concentration or use a denser solvent, ensure that the sample is well-mixed, reduce noise in the spectra, and carefully choose the range of wavelengths to be measured.

For more such questions on spectrum

https://brainly.com/question/14783701

#SPJ11

which of the following describes an experimental technology being used to reduce carbon dioxide emissions from coal?

Answers

Carbon capture and storage is one experimental method being utilised to lower carbon dioxide emissions from coal (CCS).

One experimental technique being used to reduce carbon dioxide emissions from coal is carbon capture and storage (CCS). With CCS, carbon dioxide emissions from factories or power plants are captured and either stored underground in geological formations or used to improve oil recovery.

Coal and other fossil fuels have the potential to drastically cut their carbon dioxide emissions, but CCS technology currently in the experimental stage. Unfortunately, because of its expensive cost and technical implementation difficulties, the technology is not yet extensively employed.  In order to address the current climate problem, efforts to cut CO2 emissions are essential.

Learn more about carbon dioxide here:

https://brainly.com/question/9419166

#SPJ4

What experimental technology is being used to reduce carbon dioxide emissions from coal?


What is a vapor?
A. A substance that is in the gas phase at a temperature at which it
would normally be a solid or liquid
B. A substance that has a much higher melting point and boiling point than other similar substances
C. A substance that forms a gas, but only at very high temperatures
D. A substance that is always in the solid or liquid phase at room
temperature

Answers

Answer:

C

Explanation:

PHYSICS

a gaseous substance that is below its critical temperature, and can therefore be liquefied by pressure alone.

C. Substance that forms, the gas, but only at very high temperatures.

Molar Volume of Hydrogen continued volume of hydrogenhydrogen gas at STP by the theoretical number of moles of hydrogen to calculate the molar ume of hydrogen fo 4. Divide the volume of r Trials 1 and 2 Results Table Number of moles of H, gas Vapor pressure of water Partial pressure of H2 gas Calculated volume of H2 gas at STP Molar volume of H2 gas Average molar volume 5. What is the average value of the molar volume of hydrogen? Look up the literature value of the molar volume of a gas and calculate the percent error in your experimental determination of the molar volume of hydrogen. l Experimental value - Literature value I Literature value x 100% Percent error 6. One mole of hydrogen gas has a mass of 2.02 g. Use your value of the molar volume of hydrogen to calculate the mass of one liter of hydrogen gas at STP This is the density of hydrogen in g/L. How does this experimental value of the density compare with the literature value? (Consult a chemistry handbook for the density of hydrogen.) Laboratory Experiments for Geทeral, Organic and Biolo Molar Volume of Hydrogen continued 7. In setti e water bath. What effect would this have on the measured volume of hydrogen gas? Would the c r voltume of hydrogen be too high or too low as a result of this error? Explain. invertenx u) this experiment, a student noticed that a bubble of air leaked into the graduated cylinder when it was d in the te 8. A student noticed that the silver and shiny. Wh magnesium ribbon appeared to be oxidized-the metal surface was black and dull rather at effect would this error have on the measured volume of hydrogen gas? Would the cal than culated molar volume of hydrogen be too high or too low as a result of this error? Explain. 9. (Optional) Your instructor wants to scale up this experiment for demonstration purposes and would like to collect the gas in an inverted 50-mL, buret at room temperature. Use the ideal gas law to calculate the maximum amount or length of magnesium ribbon that may be used. Laboratory Experiments for General, Organic and Biological Cbemistry7

Answers

The average value of the molar volume of hydrogen is 24.0 liters per mole (L/mol).

To calculate the percent error in the experimental determination of the molar volume of hydrogen, you must subtract the experimental value from the literature value and divide by the literature value.

Then, multiply this result by 100% to obtain the percent error.

One liter of hydrogen gas at STP has a mass of 0.090 grams, which is the experimental value of the density of hydrogen. This value is lower than the literature value, which is 0.089 grams per liter (g/L).
In this experiment, if a bubble of air leaked into the graduated cylinder when it was placed in the water bath, the calculated molar volume of hydrogen would be too high as a result of this error.

This is because the presence of the bubble of air would increase the measured volume of hydrogen gas.If the magnesium ribbon appeared to be oxidized, the calculated molar volume of hydrogen would be too low as a result of this error.

This is because the oxidation of the magnesium ribbon would reduce the amount of hydrogen gas produced, resulting in a lower measured volume of hydrogen gas. For demonstration purposes, the ideal gas law may be used to calculate the maximum amount or length of magnesium ribbon that may be used.

The ideal gas law equation is PV = nRT, where P is the pressure, V is the volume, n is the amount of substance, R is the ideal gas constant, and T is the temperature. Knowing the desired volume of the gas, the amount of substance can be calculated.

For more such questions on hydrogen

https://brainly.com/question/24433860

#SPJ11

What can you infer about these two parts of a microscope?
A They are lightweight
B They contain mirrors and lenses
C They are strong and sturdy
D They are made from glass or plastic

Answers

Answer:

the answer is for surely C

Explanation:

you can tell from the way is made and I also have one in my room

what is the independent variable in which cleans teeth better baking soda or toothpaste

Answers

baking soda because it is good

For the reaction, 2NO(g) + 2H2 (g) = N2 (g) 2H2O(g), it is determined that; at equilibrium at a particular temperature, the concentrations are as follows: [NO]-0.0081 M, [Hz]-4.1x 10-5 M [N2]= 5.3 x 10-2 M, and [H2O]-2.9 x I0-3M. Calculate the value of Keq and KP for this system at 298 K_

Answers

The equilibrium constant Keq is 640.86 and the equilibrium constant KP is 0.0198 for the given reaction at 298 K.

How do you calculate the values of Keq and KP for this system?

The balanced chemical equation for the given chemical reaction is:

2NO(g) + 2H₂(g) ⇌ N₂(g) + 2H₂O(g)

where ⇌ indicates a state of equilibrium.

The equilibrium concentrations are:

[NO] = 0.0081 M

[H₂] = 4.1 × 10⁻⁵ M

[N₂] = 5.3 × 10⁻² M

[H₂O] = 2.9 × 10⁻³ M

The equilibrium constant, Keq, is given by:

Keq = [N₂][H₂O]² / [NO]²[H₂]²

Substituting the given values:

Keq = (5.3 × 10⁻²) (2.9 × 10⁻³)² / (0.0081)² (4.1 × 10⁻⁵)²

Keq = 640.86

The equilibrium constant in terms of partial pressures, KP, is related to Keq as follows:

KP = Keq(RT)^Δn

where R is the gas constant, T is the temperature in Kelvin, and Δn is the difference between the total number of moles of gaseous products and the total number of moles of gaseous reactants.

For the given reaction:

Δn = (1 + 2) − (2 + 2) = −1

Substituting the values:

KP = 640.86 (0.08206)(298)⁻¹

KP = 0.0198

Therefore, the equilibrium constant Keq is 640.86 and the equilibrium constant KP is 0.0198 for the given reaction at 298 K.

To know more about equilibrium constant, visit:

https://brainly.com/question/15118952

#SPJ1

300 ml of nitrogen react with 300 ml of hydrogen to form ammonia. N₂ + 3H₂ ---> 2NH3 What volume of ammonia will be formed, if the reaction gets over at the same temperature? a) 100 ml b) 200 ml c)300 ml d) 400 ml​

Answers

Answer:

According to the balanced chemical equation for the reaction:

N₂ + 3H₂ → 2NH₃

1 volume of nitrogen (N₂) reacts with 3 volumes of hydrogen (H₂) to form 2 volumes of ammonia (NH₃) at the same temperature and pressure.

Therefore, if 300 ml of nitrogen (N₂) reacts with 300 ml of hydrogen (H₂), the limiting reactant will be hydrogen, since it is present in the smallest amount. To find the volume of ammonia (NH₃) formed, we can use the volume ratio from the balanced chemical equation:

1 volume of N₂ + 3 volumes of H₂ → 2 volumes of NH₃

Since we have 300 ml of H₂, which is equivalent to 3 volumes of H₂, the maximum volume of ammonia (NH₃) that can be formed is:

2 volumes of NH₃ = 300 ml of H₂ × (2 volumes of NH₃ / 3 volumes of H₂) = 200 ml

Therefore, the correct option is (b) 200 ml.

i need help with the question below

Answers

Technician A says that improper handling of a windshield wiper can lead to a broken windshield. Technician B says that dishwashing detergent works well as washer fluid. Who is correct?Select one:A.Technician AB.Technician BC.Both A and BD.Neither A nor B
Other Questions
Drugs that target RNA polymerase are direct inhibitors of. A. DNA replication. B. translation. C. reverse transcription. D. transcription. Find the area of the surface obtained by rotating the curve about the x-axis. y = x^2/4 - ln x/2. ____________ provide supporting documentation to verify that an alternative material or assembly complies with the intent of the code.a. research reprotsb. manufacturer's installation instructionsc. inspection reportsd. construction documents suppose the car, traveling at 25 m/s is rounding this flat curve with highest possible speed for the conditions of the road, to stay on the circle without sliding out to a greater radius. what is the coefficient of static friction between its tires and the ground? Part B why does kennedy include the allusion it allusions from part A in his speech Place the steps of the marketing research approach in the correct order. NOTE: The first step should be the top item in your list.1. Define the problem2. Develop the research plan3. Collect relevant information4. Develop findings5. Take marketing actions The duties of the legislative branch of the United States government most closely resemble those of A. the Roman senate. B. Roman consuls. C. the Roman army. D. Roman tribunes. 38 points Discussion Board Prompt:In Their ShoesOne of the skills we have discussed in this course is analyzing works of fiction. In this Discussion Board we are going to analyze another persons perspective from one of our unit texts. It is easy for us to get stuck in our own minds and our own worlds. This causes us to sometimes struggle to see the perspectives of others. The prompts will address one of the following texts:The Crucible, Act 1, Part 6 by Arthur MillerLittle Women, Chapter 1, Part 1 by Louisa May AlcottChoose ONE of the perspectives below and determine the persons perspective.Perspective 1: Reverend Hale from The Crucible, Act 1, Part 6 by Arthur MillerPerspective 2: Jo March from Little Women, Chapter 1, Part 1 by Louisa May AlcottPerspective 3: Amy March from Little Women, Chapter 1, Part 1 by Louisa May AlcottIdentify and describe the persons perspective about the central idea(s) discussed in the text. Write a sentence or two identifying the text, the author, and the person whose perspective you will analyze. Describe what you believe is this persons perspective. (To help you write this, consider the following questions: What does this person think about the events that happen iin the text? What are this persons struggles with this topic?)Next, go directly into the text and find some evidence you can directly quote to support your interpretation of the other persons perspective that you just described. Include this evidence in your response. Remember to use in-text citations for this quote, Work Cited for this quote, and the correct punctuation for this quote. Explain in your own words why the quoted evidence you chose supports your statements describing your persons perspective. Next, write a sentence or two that makes inferences about your persons perspective. Consider this persons world viewpoint. (To help you write this, ask yourself the following questions: How does this person see the world around him or her? Is the world a place that is rigid, or able to be changed? How do they likely view themselves in relation to the world around them?)Next, go directly into the text and find some evidence you can directly quote to support your interpretation of the other persons worldview that you just described from your inferences. Include this evidence in your response. Remember to use in-text citations for this quote, Work Cited for this quote, and the correct punctuation for this quote. Explain in your own words why the quoted evidence you chose supports your statements describing your persons worldview. Finally, conclude your paragraph by writing a sentence or two where you put yourself in the shoes of your person. Describe what types of decisions you might make if you were in this persons place. (To help you write this, ask yourself the following questions: What decisions would I make if I were in this persons shoes? How would I approach their struggles? How might I approach the world around me? Would it be the same or different? Why? What are my perspectives about these ideas?) The budgeted income statement does NOT rely on information from the ______ budget.Multiple choice question.salesending finished goods inventoryselling and administrative expenseproduction standpoint epistemology, a philosophical perspective that argues that what we can know is affected by the position we occupy in society, is associated with . We discussed looking time" studies in which infants saw a block, a small screen was placed in front of it, and then a car rolled along a path even though the block was in the way. Children displayed long looking times; i.e., they were surprised. This research showed that a. the infants were in Piaget's concrete operational stage of development b. the infants were in Piaget's formal operational stage of development c. the infants had moved beyond Piaget's formal operational stage of development d. Piaget had underestimated the cognitive capacities of infants Determine the force in each member of the truss with the method of joints and state if themembers are in tension (T) or compression (C). Set d = 1 m and P = 10 kN. (Hint: Look for zero-force members to simplify the calculations) Distance in the coordinate plane iready Part 1. A lightly inflated balloon is placed in a freezer. Explain the change to the size of the balloon based on the kinetic molecular theory. Part 2. What would most likely happen to the balloon if it was instead kept outside in the sun for some time? Explain your answer based on the kinetic molecular theory. In both cases, assume the balloon is tied tight enough so that air does not escape. people who have more visceral fat have pear shapes and lower risk of type 2 diabetes.true or false a bank's automatic teller machine (atm) will dispense cash to a customer possessing a plastic card and the correct associated pin code. what types of authentication factors are being used? (choose all that apply) Think about whether Montresor is an unreliable narrator. Do any details suggest that he might have imagined "the thousand injuries" and the insultor even the whole story? If so, what are those details? The early stages of the core-periphery model describe theA) relationship between the outward appearance of a place and its internal functioningB) ways that suburban workers commute to urban workplacesC) relationship between the underlying structure of a society and its outward expressionsD) social and cultural differences between urban and rural peopleE) relationship of power and the transfer of resources from less developed to more developed areas Discuss the importance of feedback in the strategic- management model. HELP ME PLEASEEEEEE come up with 5 questions you have about interracial relationships from the JimCrow laws and answer those questions with at least 3 sentences each.Please help, thank you