FILL IN THE BLANK adam is trying to identify a solid. he places a small amount of the substance in an acid solution and observes whether or not a reaction takes place. this test is based on a_________ property.

Answers

Answer 1

Adam is trying to identify a solid. he places a small amount of the substance in an acid solution and observes whether or not a reaction takes place. this test is based on a chemical  property.

A chemical property is the  property of the substance that will be observed in a chemical reaction. the some of the examples of the chemical property is like toxicity , oxidation states, heat of combustion, enthalpy of formation, flammability, coordination number, reactivity, chemical bonds , the chemical stability etc.

Thus, the given test is based on the chemical property as he place the sample in the acid solution and observes the reaction is taking place or not.

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Related Questions

Oil and methane hydrates are both physical ocean resources found beneath the seafloor. List two other similarities between oil and methane hydrates.

Answers

Crude oil is a mixture of nitrogen, sulphur, oxygen, and volatile hydrocarbons. Methane hydrate is a particular kind of clathrate made up of water and low molecular weight gases like methane.

Fossil deposits under the seafloor are what make up oil. It is an organic chemical that was created by the deposition of organisms on the seafloor. Additionally, methane hydrates are created after marine creatures deposit. Under the ocean's surface, one can find both oil and methane hydrates.

Similarities between both the Oil and methane hydrates are :

They both came from the ocean floor.They come from fossil fuels.They are created by decaying aquatic life.They are an energy source that is not renewable.They were mostly made of hydrogen and carbon.Both contribute to climate danger.Under high pressure and low temperature, they solidified.

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Design a synthesis of 2-ethyl-2-hexenoic acid from alcohols of four carbons or fewer alcohols containing 4 carbons or fewer

Answers

The enolates are the anions from the ketones. synthesis of 2-ethyl-2-hexenoic acid from alcohols of four carbons is :

butan - 1 - ol ------>    2-ethyl-2-hexenoic acid

The enolates ions will acts as a nucleophile in the SN²  reaction . The alkyl group will replace the alpha hydrogen and then the carbon carbon new bond is formed .  synthesis of 2-ethyl-2-hexenoic acid from alcohols of four carbons is given as :

CH₃ - CH₂ - CH₂ - CH₂ - OH + PCC  --- >  CH₃ - CH₂ - CH₂ - C - H

                                                                                                  ||

                                                                                                  O

+  NaOH ---->   CH₃ - CH₂ - CH₂ - CH = C - C - H

                                                                |      ||

                                                            C₂H₅   O

+ H₂CrO₄  ----->    CH₃ - CH₂ - CH₂ - CH = C - C - OH

                                                                    |      ||

                                                               C₂H₅   O

                                          2-ethyl-2-hexenoic acid

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Balance the Equation
________Fe+ ______ Cl₂ → ________ FeCl₃

Answers

Answer:

2Fe+2Cl2____2FeCl3

Explanation:

Fe has positive ions and hence to balance you add two ions to each side of the equation.

Which of the following compounds are the same?
Compound 1 is composed of 67 g of H and 33 g of F.
Compound 2 is composed of 29 g of Na and 71 g of Br.
Compound 3 is composed of 39 g of Na and 61 g of Br.
Compound 4 is composed of 33 g of F and 67 g of H.
A. Compounds 1 and 4
B. Compounds 2 and 3
C. Compounds 1 and 2
D. Compounds 2 and 4

Answers

The option among the given compounds that are the same compound is: Compounds 2 and 3

Th correct option is B.

What are compounds?

Compounds are substances that are composed of two or more elements chemically combined together.

Compounds can be formed by the combination of two non-metals or a metal and a non-metal.

Compounds formed from the combination of two non-metals are covalent compounds.

Compounds formed from the combination of a metal and a non-metal are called ionic compounds since they form oppositely-charged ions.

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when applied research is conducted in settings outside the laboratory, which of the following can be a problem?

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when applied research is conducted in settings outside the laboratory,  the focus on a specific real world problem can be a problem.

The configuration and contents of laboratories are determined by the diverse needs of the specialists that work inside. A laboratory might have a particle accelerator or a vacuum chamber, whereas a metallurgy lab might have tools for casting, refining, or evaluating the strength of metals. A psychologist would utilise a room with one-way mirrors and covert cameras to examine behaviour in their lab, whereas a biologist or chemist might employ a wet laboratory. In laboratories, such as those where computer scientists typically operate, computers (and occasionally supercomputers) are sometimes utilised for either simulations or data processing. Scientists in other professions will continue to use a variety of labs. In laboratories, engineers build, assemble, and test technical objects.

The complete question is:

when applied research is conducted in settings outside the laboratory, which of the following can be a problem?

a. examines the basic laws of human behavior

b. is just as likely to occur in the laboratory as in the field

c. focuses on a specific real world problem

d. has no connection with theory

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Which of the following is the correct Lewis structure for the molecule NH3?
N=H
Option 1
H-N-H
Option 3
-I
H
H=N:
Option 2
H-N-H
H
Option 4

Answers

The Lewis structure of ammonia, NH

3

, would be three hydrogen-bonded to a nitrogen atom in the middle, with a lone pair of electrons on top of the atom. This is the reason why ammonia acts as a Lewis base, as it can donate those electrons.

solution

OPTION 3 IS THE ANSWER

Any tips to learn the periodic table? Also what should I study (groups, numbers…)?

Answers

what worked best for me is working in groups (meaning going top to bottom in columns of one all the way across the periodic table). the periodic table has 18 groups, and a majority of the elements in these groups have similar properties or chemical characteristics. learning these together will not only help you to memorize the periodic table but it can also help you with reactions. i also suggest printing out a periodic table, start memorizing the groups, and each day try to write as many of the elements as you can. you can also color the groups as well to help you associate the elements with group names. sorry this is a lot but i hope it helps! remember, it’s okay if you cant get them all right away, but practice will help!

Radioisotopic dating estimates the age of objects based on the fact that the half-life of any radioactive isotope is _____.a fixed value

Answers

The time it takes for one-half of the radioactive parent isotope to decay into the daughter isotope is known as the half-life.

As a result, if we begin with 1 gram of the parent isotope, there will only be 0.5 gram of the parent isotope left after 1 half-life. The fundamental idea behind radiometric dating is that by comparing an isotope's presence in a sample to its abundance on Earth and its known half-life (rate of decay), you may determine the sample's age. A radiometric dating technique is radiocarbon dating, often known as carbon-14 dating. It determines the age of carbon-bearing by using the naturally occurring radioisotope carbon-14 (14C).

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Which of the following is the correct Lewis structure for the molecule NH3?

Answers

Answer:

Option 3 represents correct Lewis structure for NH3

option 3 because it is the correct lewis structure for the molecule Nh3

The Cori cycle is a metabolic pathway that involves active muscles and the liver. fatty acids glucose → glucose glycolysis → ATP gluconeo- genesis ATP CO2 + H2O lactate lactate LIVER MUSCLE Complete the sentences about the Cori cycle. Muscles break down into , which undergoes glycolysis. The end product of glycolysis in active muscles is , which is transported in the blood. The liver uses energy from to drive The produced in the liver is transported to the muscle in the bloodstream. Answer Banklactate pyruvate fatty acid oxidation glycolysis glycogen gluconeogenesis glucose

Answers

The process of moving lactate from cells that are engaged in anaerobic metabolism to the liver, where it is used to deliver glucose back to the cells, is known as the Cori cycle.

It serves as an illustration of one of the vital functions of the liver in ensuring that the body has an adequate supply of glucose. Gluconeogenesis has examples like the Cori cycle. It is true that the Cori cycle uses the liver's gluconeogenesis to change the lactate that muscles create into glucose. To be utilized by other cells throughout the body, this freshly created glucose is discharged into the blood. The Cori cycle, which transforms lactic acid into Glycogen, which can be used as a source of energy, prevents the excessive accumulation of lactic acid.

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At 25 °C, only 0.0140
mol of the generic salt AB is soluble in 1.00 L of water.

What is the sp
of the salt at 25 °C?

AB(s)↽−−⇀A+(aq)+B−(aq)

Answers

Correct task : At 25°C, only 0.0140 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the Ksp of this salt at 25°C.

Solution:

When the salt dissolves, it dissociates as follows:

AB3 --> A3+ + 3B⁻

--S--------S-------3S--

The molar solubility (S) is the number of moles that can dissolve in 1 L of solution.

Molar solubility of salt is (0.0140 mol) / (1.00 L) = 0.0140 mol/L.

According to the dissociation equation:

Solubility of A3+ is 0.0140 mol/L and solubility of B⁻ is 3×0.0140 mol= 0.0420 mol/L.

[A3+] = 0.0140 mol/L.

[B⁻] = 0.0420 mol/L.

Ksp is the solubility product constant and calculated as follows:

Ksp(AB3) = [A3+] × [B⁻]3

Ksp(AB3) = [0.0140] × [0.0420]3

Ksp(AB3) = 10.37×10-7.

Ksp of this salt is 1.04×10-6.

Answer: 1.04×10-6 is the Ksp of this salt at 25°C.

in the dehydrohalogenation of 2-bromobutane which conformation below leads directly to thr formation of cis-2-butene

Answers

The conformation below in the dehydrohalogenation of 2-bromobutane results in the immediate production of cis-2-butene.

Dehydrohalogenation in chemistry is an elimination process that eliminates a hydrogen halide from a substrate. Although the reaction is frequently linked to the synthesis of alkenes, it has other uses as well.

A hydrogen halide is eliminated (removed) from a substrate during a dehydrohalogenation reaction. Although the reaction is frequently linked to the synthesis of alkenes, it has other uses as well.

The type of atoms or groups of atoms that leave the molecule serves as a frequent indicator of elimination reactions. Dehydrohalogenation, for instance, is the removal of a hydrogen atom along with a halogen atom; dehalogenation is the removal of two halogen atoms. Dehydration, on the other hand, is the removal of a water molecule, typically from alcohol.

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Draw the Lewis structures for
the following particles. Which
one can exhibit resonance?
A. CO3-²
B. N2
C. CH₂Br2
D. CO₂

Answers

The next particles are CO2. which may have resonance

What exactly does it entail to show resonance?

Resonance is a method for describing delocalized electrons inside particular molecules or polyatomic ions when the bonding cannot be captured by a single Lewis formula. Numerous resonance structures can be used to depict a molecule or an ion when the electrons are delocalized in this way.

What is the primary objective of resonance?

What are resonance structures used for Resonance is a term used in valence bond theory to describe how different contributing structure (or forms, also called as resonance structures and canonical structures) come together to generate a hybrid resonance (and hybrid structure) in certain ions or molecules.

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give the number of sigma bonds and pi bonds for the molecule below: 3 sigma bonds, 6 pi bonds 6 sigma bonds, 3 pi bonds 6 sigma bonds, 6 pi bonds 12 sigma bonds, 3 pi bonds

Answers

Benzene is a carbon and hydrogen compound with aromatic properties. The chemical formula for benzoene is C6H6.To determine the number of sigma bonds in this, we can create the skeletal structure using only sigma bond representations.

Let's show the structure of benzene.

As can be seen, there are six C-H bonds and six C-C bonds.

We may therefore say that benzene has a total of 12 sigma bonds in it.

When we look at the structure of benzene, we can see that it has three C=C bonds.

There are consequently 3 pi bonds and 12 sigma bonds. As a result, benzene contains 15 covalent bonds.

Since benzene has 12 and 3 sigma and pi bonds, respectively, the correct answer is that it does.

Additional

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Determine how much energy is released when polonium-210 decays according to the following equation: 210Po 4He + 206Pb
No InterWiki reference defined in properties for Wiki called "Atomic masses"! a)7.2e11 kJ/mol
b) 6.43e12 kJ/mol
c) 4.14e9 kJ/mol
d) 5.22e8 kJ/mol
e) 4.66e9 kJ/mol

Answers

(D) The energy released during the Radioactive reaction is 5.22 x 10^8 kJ/mol.

The mass defect is transformed into energy during Radioactive decay.

The difference between the combined masses of the product side and the reactant side in amu is used to compute the mass defect of radioactive reaction.

Therefore, the reaction's mass defect is 209.982857 amu - (205.974449 amu + 4.002603 amu) = 0.005805 amu.

1 amu equals 931 meV

where amu is  atomic mass unit

1 eV = 1.602*10^-19J

1 MeV = 1.602 x 10^-13 J

Therefore, energy is determined as

(0.005805 x 931 x 1.602 x 10^-13 J x 6.023 x 10^23 mol-1) =5.22 × 10^11 J/mol = 5.22 x 10^8 kJ/mol (D)

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Draw an alkyl bromide with proper stereochemistry that can be used to sythesize the given alkene as the exclusive product via an E2 reaction.

Answers

an alkyl bromide with proper stereochemistry that can be used to sythesize the given alkene as the exclusive product via an E2 reaction

Question 1
Sodium chloride is a liquid at 900 °C.
How are the particles arranged and how do the particles move in sodium chloride at 900 °C?

Answers

Answer:

Particles is a gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.

Explanation:

suppose of ammonium sulfate is dissolved in of a aqueous solution of sodium chromate. calculate the final molarity of ammonium cation in the solution. you can assume the volume of the solution doesn't change when the ammonium sulfate is dissolved in it. round your answer to significant digits.

Answers

The final molarity of the ammonium cation in the solution is 0.066M.

Firstly, we need to calculate the number of moles of ammonium sulfate:

No of moles = mass(g)/molar mass

No of moles = 2.57/132.14

No of moles = 0.0195 mol

When ammonium sulfate dissolves in sodium chromate, the following reaction will take place:

(NH₄)₂SO₄ + Na₂CrO₄ ------> (NH₄)₂CrO₄ + Na₂SO₄

No of Moles of sodium chromate = molarity x volume

                                                        = 66 x 0.200

No of moles of Sodium Chromate = 0.0132 mol

According to the reaction, 1 mol of sodium chromate produces 1 mol of ammonium chromate.

In this reaction, the sodium chromate amount is less than ammonium sulfate.

It can be concluded that Sodium chromate is a limiting reagent.

Therefore 0.0134 mol of ammonium cation is present in the resulting solution.

Molarity of ammonium cation = 0.0134 mol / 0.2 L

Molarity = 0.066 M

Therefore, 0.066M is the Molarity of the ammonium cation.

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from each partial (valence level) orbital diagram, write the ground-state electron configuration and group number

Answers

The electron configuration and group number is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10

What is electron configuration?

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. It describes the energy levels, orbitals, and the number of electrons in each of the atom's orbitals. Electron configuration provides an understanding of the atom's structure, reactivity, and the likelihood of chemical reactions to occur. It also serves as a predictor of the atom's physical and chemical properties. Electron configuration is determined by the number of protons in the nucleus and the principal quantum number of the electron.

This is the ground-state electron configuration for the element titanium, which is located in group 4 of the periodic table.
The 1s orbital is filled with two electrons, the 2s orbital is filled with two electrons, the 2p orbital is filled with six electrons, the 3s orbital is filled with two electrons, the 3p orbital is filled with six electrons, the 4s orbital is filled with two electrons, and the 3d orbital is filled with ten electrons. This configuration of electrons corresponds with titanium's position in group 4 of the periodic table, which contains elements with four valence electrons in the outermost energy level.

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A sample of an unknown element is found in a laboratory cabinet. Upon inspection, it is observed that the element has a dull surface, shatters into many pieces when hit with a hammer, and is a poor conductor of both heat and electricity. It is conducted that this element would be classified as a A. Actinide
B. Metals
C. Nonmetals
D. Metalloids​

Answers

Upon inspection, it is observed that the element has a dull surface, shatters into many pieces when hit with a hammer, and is a poor conductor of both heat and electricity. It is conducted that this element would be classified as a Nonmetals.

The elements that absorb or acquire electrons to generate negative ions are known as non-metals. In their outermost shell, non-metals often have 4, 5, 6 or 7 electrons. Non-metals are substances without any metallic properties. They function well as heat and electrical insulators. Mostly gases, but occasionally liquids, they are. Some of them, including carbon, sulphur, and phosphorus, are even solid at ambient temperature.The goal of the entire lab is for me to identify and characterise each unknown element using my knowledge of the periodic table. In order to identify the unidentified elements, we examined the traits of the other components and grouped those that shared features and belonged in the same column.

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Draw structural formulas for the product formed by treating each compound with propylmagnesium bromide followed by aqueous HCl.
(a) CH2O
(b) (c) (d)

Answers

The structural formulas for the product formed by treating each compound with propyl magnesium bromide followed by aqueous HCl is given as follows :

                 CH₃CH₂CH₂ - CH₂ - OH

                          butanol

The propyl magnesium bromide , the formula is given as follows :

  CH₃CH₂CH₂ -MgBr

when it react with compound CH₂O , the product formed is the butan - 1 - ol. the structural formula is given as follows :

     CH₃CH₂CH₂ - CH₂ - OH

                          butanol

The propyl magnesium bromide is acts as grinard reagent which react with CH₂O and will form the alcohol, that butanol. here the  CH₂O is called as the formaldehyde.

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Question 18
Identify the Type of Chemical Reaction: 2Ago - 2Ag + 02
1
Answer
F) Synthesis or Combination Reaction
G) Decomposition Reaction
H) Single Replacement Reaction
1 Double Replacement Reaction
K) Combustion Reaction

Answers

The given chemical reaction is type of decomposition reaction.

What is a decomposition reaction and how it takes place?

One chemical splitting into two or more smaller molecules is known as a decomposition process. It is expressed as XY X + Y.

In this given question, the chemical reaction is:

[tex]2AgO[/tex] → [tex]2Ag + O_{2}[/tex]

Here, 2AgO decomposes into 2Ag and [tex]O_{2}[/tex]. That means a complex molecule is breaking down into two simple compounds.

A decomposition reaction is the exact opposite of a combination reaction. During decomposition, both exothermic and endothermic events can occur. One important application of decomposition processes is the extraction of metals from their ores. For instance, zinc can be recovered from calamine by subjecting it to a breakdown reaction.

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Water boils at 100 degrees Celsius. What is the boiling point for water on the Kelvin scale? K = °C + 273 and °C = K - 273​

Answers

Answer:

the answer is 373

Explanation:

K=°C + 273

K=100+273=373

curved arrows are used to illustrate the flow of electrons. follow the arrows to predict the intermediate and product of reaction nah

Answers

The arrows are used to illustrate the flow of electrons. follow the arrows to predict the intermediate and product of reaction , the product is :

CH₃ - C -CH₃  + H₂O  +  ⁻OCH₃

          ||

          O

The reaction is in between the 2 methoxypropan-2-ol and the hydroxide ion. the OH⁻ ion is the strong nucleophile and contain the negative charged. the hydroxyl group acts as a proton of the compound is acidic because of the electronegativity difference. the hydroxyl ion takes protons and form the water.

The reaction is given as follows :

         OH

          |

CH₃ - C - OCH₃   + OH⁻  ---->  CH₃ - C -CH₃  + H₂O  +  ⁻OCH₃

           |                                       ||

          CH₃                                  O

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Which of the following cations is isoelectronic with argon? 1.potassium ion 2.calcium ion 3.scandium ion 4.All of these 5.None of these

Answers

Option 1 is correct because potassium ions in argon contain 18 electrons. Thus, there are 18 isoelectronic in all that are present in Ar for K+. The electrical arrangement of these two ions is the same as that of Ar.

K+ and Cl ions are hence isoelectronic with Ar. Argon is isoelectronic with potassium ions that have a positive charge. For an ion with a -1 charge to become isoelectronic with argon, it would only have needed to gain 1 electron. Chlorine must have been present there.

Similar to the previous element, the next one can create a monovalent cation by losing one electron and isoelectronizing with argon. These include the potassium cation, K+, the chloride anion, Cl, and the sulphide anion, S2. Isoelectronic ions are said to have the same number of protons and electrons.

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Which of the following conjugated diene would not react with a dienophile in a Diels-Alder reactions?

Answers

Which of these conjugated dying's will not react are dienes that are in cisoid forn, which can react in dieals alder. In general, electron-withdrawing groups on the dienophile speed up Diels-Alder processes.

The locked trans dienes do not react in the Diels-Alder reaction, whereas the cyclic cis dienes are so reactive that they may react with one another, making these conformations two extremes. Because one molecule serves as the diene and the other as the dienophile, for instance, cyclopentadiene dimerizes. Bridged bicyclic compounds are produced by cyclic dienes. Diels-Alder reactions can only occur in conjugated dienes with the s-cis structure. A diene cannot conduct a Diels-Alder reaction if it is not conjugated or cannot be in the s-cis configuration. Ring-based dienes are incapable of rotating, hence

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A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. Thie cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) From previous experiments, this chemical reaction is known to release 390. kJ of energy The position of the piston is monitored, piston during the reaction and it is determined from this data that the system does 117-kJ of work on the piston during the reaction. is the reactio exothermic or endothermic ? O exothermic O endothermic Does the temperature of the water bath go up ar down? O up O down O neither Does the piston move in or out? O in O out O neitherDoes heat flow into or out of the gas mixture? O in O out O neither How much heat flows? Round your answer to 3 significant digits

Answers

A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The heat is releases so the reaction is exothermic reaction.

a) since the reaction is releases the heat , so it is exothermic reaction.

b) the water temperature rises as heat flows in to the water.

c) as the heat will rises then the pressure will also rise the  piston move in the outward direction.

d) as the pistons moves in the outward direction the gas mixtures works  on surrounding.

e) the heat flows is the difference in the work done and is given as :

E = 390 kJ - 117kJ

   = 273 kJ , the heat is releases by the reaction.  

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Define the following: Renwable energy and non-Renwable energy.

Answers

A resource can be classified as renewable or nonrenewable based on whether it can replace itself at the rate it is used up or whether it has a finite supply.

What exactly is renewable energy?Energy obtained from natural resources that are renewed more quickly than they are used up is referred to as renewable energy. Such sources that are constantly replenished include the sun and the wind, for instance.  Non-renewable energy comes from energy sources that will ultimately exhaust themselves or cannot be regenerated, not even after countless ages. Fossil fuels, such as petroleum, natural gas, and coal, are the non-renewable energy sources that are most often used.A resource can be classified as renewable or nonrenewable based on whether it can replace itself at the rate it is used up or whether it has a finite supply. Timber, wind, and solar power are examples of renewable resources, whereas coal and natural gas are examples of non-renewable resources.

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The decomposition of a single compound at 349 K has a rate constant of 4.10 x 10-3 M s1. If the initial
concentration of the reactant is 1.304 M, what is the concentration of the reactant after 90.45 seconds?
(the answer should be entered with 3 significant figures; do not enter units; give answer in normal
notation-examples include 1.23 and 12.3 and 120. and -123)
Selected Answer:
Correct Answer:
0.933
0.933 ±1%

Answers

Answer: To solve this problem, you can use the first-order rate equation, which is given by:

[reactant] = [reactant]0 * e^(-k*t)

where [reactant] is the concentration of the reactant at time t, [reactant]0 is the initial concentration of the reactant, k is the rate constant, and t is the time.

Plugging in the given values, we get:

[reactant] = 1.304 M * e^(-4.10 x 10^-3 M s^-1 * 90.45 s)

= 1.304 M * e^(-0.0366)

= 1.304 M * 0.933

= 1.21 M

To express the answer with 3 significant figures, you can round the answer to 1.21 M. Therefore, the concentration of the reactant after 90.45 seconds is 0.933 ± 1%.

mechanism of action that will produce diuretic effect- increase the number of particles in the tubular fluid . True or False

Answers

True, mechanism of action that will produce diuretic effect- increase the number of particles in the tubular fluid.

When the kidneys filter too much body fluid, it is called diuresis. As a result, you produce more urine and need to use the restroom more frequently. Diuresis may be brought on by specific medical disorders or by taking drugs that boost urine production. This illness can also be caused by lifestyle choices. Water tablets or diuretics are drugs that assist the body in eliminating extra fluid. They are frequently prescribed for illnesses like high blood pressure, chronic renal disease, and heart failure.

The kidneys are told to expel more water and salt via diuretics. This lessens edema and improves blood circulation throughout the body.

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the 1973 oil crisis, in which members of the oapec (organization of arab petroleum exporting countries) under the saudi kingdom declared an oil embargo, solidified fahd's mission on arab nationalism. The process of selecting jurors. According to the text, when an attorney takes the opptunity to remove a potential jury, it is referred to as: - Challenge Replace * in the monomial so It can be represented as a square monomial*-48t+36t^2 A biologist is studying a plant blight. At the start of their research, the blight covers a circular area with a radius of 5 kilometers. When they re-examine the blight two years later, the area has grown to a circular area with a radius of5.2kilometers. How rapidly did the radius change over the interval? _____Year/km The hands-off view of the classical school rests on which of the following two simple propositions about markets? a. Demand creates its own supply and markets are basically competitive. b. Industrial policy is inevitable and all prices are flexible. c. Market failure occurs and prices are rigid. d. Wages are sticky downward and market failure is inevitable. e. Markets are basically competitive and prices are flexible. 6 divided by 7.02 i need help which events or descriptions in chunk 5 of "a rose for emily" contribute to mystery in the story? The residents of Ireland earn $200 million of income from abroad. Residents of other countries earn $300 million in Ireland. Therefore, Ireland's:a. net factor payments from abroad are positive, and its GDP is larger than its GNPb. net factor payments from abroad are positive, and its GNP is larger than its GDPc. net factor payments from abroad are negative, and its GDP is larger than its GNPd. net factor payments from abroad are negative, and its GNP is larger than its GDP In QRS , R is a right angle. If QS = 20 and mQ = 49 , what is the length of QR ? HELP IM TAKING MY GEOMETRY FINAL AND I DONT KNOW ANYTHING (7x6)2[{453(72-15+6)}+4) While playing a game of chance, Jonathan rolled a regular six-sides die 100 times and noticed that it landed on the number 3 exactly 55 times. What could Jonathan conclude about the die? A: We are 90% confident that the true proportion of times the die would land on the number 3 is between 0.468 and 0.632. Since this includes 0.5, the die appears to be fair. B: We are 90% confident that the true proportion of times the die would land on the number 3 is between 0.452 and 0.648. Since this is much greater than 1 out of 6, the die appears to be unfair. C: We are 90% confident that the true proportion of times the die would land on the number 3 is between 0.468 and 0.632. Since this is much greater than 1 out of 6, the die appears to be unfair. D: We are 90% confident that the true proportion of times the die would land on the number 3 is between 0.452 and 0.648. Since this includes 0.5, the die appears to be fair. Youre using last-click attribution, but would like to see how first-click attribution would value channels and campaigns. Which report can you use to find this insight?Conversion pathsFunnel explorationSegment overlapModel comparison Witch rate is equivalent to 15 milesper hours ch 2 kb. the predetermined manufacturing overhead rate is calculated by group of answer choices multiplying the predetermined moh rate by the actually allocation base factor multiplying the actual allocation base factor by the estimated annual moh dividing the annual estimated moh by the annual estimated moh allocation base multiplying the predetermined moh rate by the actual allocation base The list shows opposing political views on some issues. Which of the following best replaces the numbers in the table above?a 1- Democratic-Republican Party 2-Federalist Partyb 1-Federalist party 2-Democratic-Republicans Partyc 1- Federalists Party 2- Democratic Partyd 1- Whig Party 2- Democratic Party What, according to President Reagan's speech at Moscow State University, adds to the richness of life" A video store manager observed that the number of DVDs sold seem to vary inversely as the price per DVD. If the store sells 710 DVDs per week when the price per DVD is $18.90, how many does he expect to sell if he lowers the price to $11.40. Prove that if a b mod m and c d mod m, then ac bd mod m. [duplicate] Two occupations predicted to greatly increase in number of jobs are pharmacy technicians and network systems and data communication analysts. The number of pharmacy technician jobs predicted for 2003 through 2014 can be approximated by 7.4x-y=-254 The number of network and data analyst jobs for the same years can be approximated by 12.4x-y=-231. For both equations, x is the number of years since 2003 and y is the number of jobs in thousands.a. Use addition method to solve the following system of equations {7.4x-y=-254{12.4x-y=-231The solution, rounded to the nearest whole number is: ? Pls help!!! according to sternberg, in cultures where marriages are arranged by parents rather than chosen by the young people themselves, the marital relationship tends to start as what type of love?