if 10.5 grams of liquid water is boiled how many grams of water vapor will then form ?
Answer:
It depends
Explanation:
This could vary depending on the exact temp, time and minerals. something with alot of salt boils quicker than something without it, so 10.5 grams?
The particular temperature, the passage of time, and the minerals could all affect the amount of grams of liquid water.
What are minerals?Minerals are defined as a naturally crystallized element or chemical compound that was created through geological processes. Natural materials are those that form on their own, such as minerals. Minerals don't droop, melt, or evaporate since they are solids. In contrast to the carbon compounds found in living organisms, minerals are inorganic. Minerals are crystalline: They have a unique atomic composition and arrangement.
Temperature is defined as a measure of hotness or coldness expressed in terms of any number of arbitrary scales that shows the direction that heat energy will naturally flow, i.e., from a hotter body to a colder body. The three temperature scales that are now in use are Kelvin, Celsius, and Fahrenheit. Food, beverages, agriculture, and medical care for both people and animals all depend heavily on temperature.
Thus, the particular temperature, the passage of time, and the minerals could all affect the amount of grams of liquid water.
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why is there no base unit for volume
Answer: Volume. Litre (L) and millilitre (mL) are non-SI units, but because they are easier to write and pronounce, they are in common use.
Explanation: I think the explanation is the answer also
What is the mass of 0.5 moles of hydrogen gas
Answer:
1G
Explanation:
Engineering chemistry
Answer:
it wont let me see it
Explanation:
U ever get an answer
Choose the names of the substances for reactants of the equation
2H2 + O2—— 2H2O
The names of the substances for the reactants in the chemical equation 2H₂ + O₂ → 2H₂O are; Hydrogen gas (H₂) and Oxygen gas (O₂). Option A and C is correct.
Hydrogen gas (H₂) - This is the molecular form of hydrogen, consisting of two hydrogen atoms bonded together.
Oxygen gas (O₂) - This is the molecular form of oxygen, consisting of two oxygen atoms bonded together.
In a chemical equation, the reactants are the substances that undergo a chemical reaction to form new products. In this case, the reactants are hydrogen gas (H₂) and oxygen gas (O₂). The arrow (→) in the equation represents the direction of the reaction, indicating that hydrogen gas and oxygen gas react to form water (H₂O).
The coefficient 2 in front of H₂ and H₂O indicates that two molecules of hydrogen gas react with one molecule of oxygen gas to produce two molecules of water. The balanced chemical equation shows the stoichiometry of the reaction, indicating the number of molecules of each reactant and product involved in the reaction.
Hence, A. C. is the correct option.
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--The given question is incomplete, the complete question is
"Choose the names of the substances for reactants of the equation
2H₂ + O₂ → 2H₂O Options; A) Hydrogen B) Water C) Oxygen."--
What is the initial concentration of a solution if 40.0 mL is diluted to make 720 mL of a 0.45 M solution?
Answer:
8.1 M
Explanation:
What is the initial concentration of a solution if 40.0 mL is diluted to make 720 mL of a 0.45 M solution?
LET Y = INITIAL CONCENTRATION
SO
Y TIMES 40/720 = 0.45 m
SO
Y= (0.45) X 720/40=
0.45 X 72/4 =
0.45 X 18 =8.1 M
Concentration is related to the mass and volume. 8.1 M initial concentration of a solution is required if 40 ml is diluted to make 720 ml of a 0.45 M solution.
What is initial concentration ?The first measured concentration of a compound in a substance is called as initial concentration. Initial concentration also measure with the help of molarity.
Write out the equation C = m ÷ V, where m is the mass of the solute and V is the total volume of the solution. Substitute the values you found for the mass and volume, and divide them to find the concentration of your solution.
Let X is the initial concentration,
so, X times 40 ÷ 720 = 0.45
X = ( 0.45 ) × ( 720÷40)
= 0.45 × 18
= 8.1 M
Hence, 8.1 M initial concentration of a solution is required .
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What is the mole ratio between FeCl3 and Fe(C5H7O3)3 ?
Answer: 162.2 g FeCl3. mL of soln = 0.07028 mol FeCl3x ... mol FeCl3 = mol Fe(OH)3 = 0.01291 mol ... (a) MaVa = MbVb since HCl and KOH react in a 1:1 molar ratio.
Explanation:
When hydrogen sulphide is burnt in oxygen to form sulphur(is) oxide and what. How does the oxidation number of sulphur change?
Answer:
Explanation:
Hydrogen sulphide burns in air to form sulphur dioxide: 2H2S + 3O2 → 2H2O + 3SO2. In this reaction, the sulphur is oxidized from -2 to +4. In the reaction H2S + 2O2 → H2SO4 + 790 kJ/mol, the oxidation is from -2 to +6.
When hydrogen sulphide is burnt in oxygen to form sulphur dioxide and water (H₂O), the oxidation number of sulfur changes from -2 in H₂S to +4 in SO₂.
When hydrogen sulfide (H₂S) is burnt in oxygen (O₂) to form sulfur dioxide (SO₂) and water (H₂O), the oxidation number of sulfur changes from -2 in H₂S to +4 in SO₂.
The balanced chemical equation for the reaction is:
2 H₂S + 3 O₂ → 2 SO₂ + 2 H₂O
In hydrogen sulfide (H₂S), sulfur has an oxidation number of -2 because hydrogen has an oxidation number of +1, and the overall molecule is neutral (since it is uncharged).
In sulfur dioxide (SO₂), sulfur has an oxidation number of +4 because oxygen has an oxidation number of -2, and the overall molecule is neutral.
The change in the oxidation number of sulfur can be seen as follows:
H₂S (initial state) → SO₂ (final state)
-2 (initial oxidation number of sulfur) → +4 (final oxidation number of sulfur)
During the reaction, sulfur is oxidized from an oxidation state of -2 in hydrogen sulfide to +4 in sulfur dioxide. This means that sulfur loses electrons during the reaction, leading to an increase in its oxidation number. The oxygen molecules in the oxygen gas (O₂) act as the oxidizing agent, causing sulfur to undergo oxidation and form sulfur dioxide.
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giving brainly for correct answer! :)
Answer:
Mass is the amount of matter in an object
Answer:
Mass
Explanation:
matter is weighed by the mass of an object
GIVING BRAINLY
The speed of sound waves in air is 340 m/s. Its frequency is 750 Hz. What is its wavelength ?
Answer:
wavelength is 0.77 m
Explanation:
wavelength is y is equal to FB is equal to 44 0340
The city council of a small town wanted to add fluoride to their water so that all the residents would have healthier teeth. The mayor had read that ionic compounds must be used to get the fluoride into water. He looked up fluorine-containing compounds and came up with the following list.
NaF NF3 SiF4 CaF2 NH4F
Using academic vocabulary in paragraph form, discuss the following:
Explain which compound(s) could produce fluoride ions in the water. In your response, be sure to include:
° which of the listed compounds are ionic and which are covalent.
° how ionic and covalent compounds are different.
° why only ionic compounds would produce fluoride in water.
Answer:NaF is ionic. NF3 is covalent. SiF4 is ionic. CaF2 is Ionic and NH4F is also ionic. Ionic compounds transfer electrons whereas covalent compounds share electrons hence the word "co". Also, ionic compounds are formed with metal and nonmetal. Where a covalent is with 2 nonmetals. Only ionic compounds would produce fluoride in water because ionic compounds can dissolve in water and covalent compounds cant.
The compounds that can be used for the release of fluorine in water are NaF, [tex]\rm SiF_4[/tex], [tex]\rm CaF_2[/tex], and [tex]\rm NH_4F[/tex].
The ionic compounds are formed by the transfer of electrons between the atoms of the compounds. The ionic bonds are weaker and are easy to dissociate in the aqueous solution.
The covalent compounds are formed by the sharing of electrons between the atoms. Since there is sharing, there has been a strong bond, that has been hard to dissociate.
The Mayor has to release Fluoride in the water, thus ionic compounds are preferred that have the easy release of fluorine.
From the given compounds:
NaF = Ionic compound[tex]\rm NF_3[/tex] = Covalent compound[tex]\rm SiF_4[/tex] = Ionic compound[tex]\rm CaF_2[/tex] = Ionic compound[tex]\rm NH_4F[/tex] = Ionic compoundThus the compounds that can be used for the release of fluorine in water are NaF, [tex]\rm SiF_4[/tex], [tex]\rm CaF_2[/tex], and [tex]\rm NH_4F[/tex].
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11. Which is the solubility product expression for Na3PO4(s)?
Answer: B
Explanation: the 3 in Na3PO4(s) belong to the sodium atom (Na). so in any of these equations, the 3 would have to be with Na.
A- the 3 is along w the PO4, which would make it part of that bond
C- there is no 3 at all for Na in this choice, making it incorrect
D- Again, the 3 is placed on the other half of the bond
What happens when white light passes through a blue then a yellow filter
Answer quick
Answer:
At the end, no light passes through.
Explanation:
First, when white light enters a blue filter, only blue light is allowed to pass through, and all the other components of light are absorbed. When blue light then reaches the yellow filter, it absorbs the blue light, because it is designed to allow only the yellow component of the light to pass through. White light consists of the seven rainbow colours: red, orange, yellow, green, blue, indigo and violet.
Which of the following is a compound? *
A. aluminum
B. carbon
C. oxygen
D. sugar
Answer:
C. OXYGEN
Explanation:
How many peaks will you observe in the 13C spectrum of cyclohexane ?
1 1 - incorrect
3
6
3 peaks
Explanation:
You can do this perfectly well without referring to chemical shift tables at all. In the spectrum there are a total of three peaks - that means that there are only three different environments for the carbons, despite there being four carbon atoms.
Question 1 of 5
An astronaut in orbit squirts water into the air in a
spacecraft. The drops form spheres in the air.
Which property of liquid water is the astronaut demonstrating?
A. High surface tension
B. Low surface tension
C. Low viscosity
D. High viscosity
Answer:
It's A
Explanation:
High Surface Tension
Please help me ASAP I couldnt copy paste the table so I added a screenshot Please I really need help!!!
Answer:
2.04 Thermal Energy and Chemical Change Lab Report
Explanation:
Calculate the number of moles in 400g of Tio2
Answer:
5.01 moles
Explanation:
Calculate the number of moles in 400g of Tio2
first, write the formulas correctly
Calculate the number of moles in 400g of TiO2
capitalize the first letter of your elements
the molar mass of TiO2 is
47.88 +2X16.00 =47.88 +32.00 = 79.88 gm/mole
(to 3 sig fig = 79.9 gm/mole
400 gm/79.9 gm/mole = 400/79.9 mole gm/gm =
400/79.9 moles = 5.01 moles
How would you gather data to in order to determine the density of a marble
The average mass of a marble can be determined by dividing the total mass of the marbles by the total number of marbles: average mass of a marble.
To find the density of any object, you need to know the Mass (grams) of the object, and its Volume (measured in mL or cm³). Divide the mass by the volume in order to get an object's Density.
Use the formula p=m/V, or density (p) is equal to mass (m) divided by volume (V).
To determine the density of a marble, we must know its mass and volume.
In order to determine the density of any substance we need to know its mass and volume.
Let's understand "Density".
The density of a substance is its mass per unit volume. It is represented with "ρ" this symbol.It can be given by the formula which is shown below: ρ= [tex]\frac{m}{V}[/tex] where m is the mass of the substance and V is the volume.Density indicates how much of a substance occupies a specific volume at a defined temperature and pressure. The density of a substance can be used to define the substance.Learn more:
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Use the choose reaction drop down menu to see other equations, and balance them. Check your answers and then write the balanced equations. AI+ HCI-> AICI3+ H2
NaCI -> Na + CI2
Na2S + HCI -> NaCI + H2S
How does a vaccine impact the individuals who receive it?
O They will likely still develop the disease but will not die from i
O They will not be able to get the disease but can still pass it or
O Their bodies will remember the disease and be able to fight it
O They will become sick with the illness but then recover.
Answer fast pls
Answer:
I want to say (A) but i also want to say (C) but i can be wrong. most likely (C)
Explanation:
hope this helps lol and have a great day
Answer:
honestly this is kind of an opinionanated question because some people think that the vaccine dosen't work. Like I think that, but some other people might think differently so im gonna go with answer c.
Explanation:
Spirit of Australia, a hydroplane boat, made speed records by traveling 239 miles in 0.75 hours (45 minutes). What is its record- breaking speed?
Answer:
the answer is 319 mph
Explanation:
you do 239/.75 (45 minutes will get you a different answer)
pls help i am in 8th grade k12
Answer:
zzxdczxc V
Explanation:
The student burns 10 g of magnesium in air to produce magnesium oxide (MgO).
2Mg + 0 + 2MgO
Calculate the maximum mass of magnesium oxide that could be produced in the reaction.
Answer:
x=403/24,3 = 16.58 gm MgO
EXPLANATION
The student burns 10 g of magnesium in air to produce magnesium oxide (MgO)
2Mg + 0 + 2MgO
Calculate the maximum mass of magnesium oxide that could be produced in the reaction.
Oxygen exist in nature as O2, diatomic.
so
The student burns 10 g of magnesium in air to produce magnesium oxide (MgO).
2Mg + 02 + 2MgO
Calculate the maximum mass of magnesium oxide that could be produced in the reaction.
2 moles of Mg produce 2 moles of MgO
1 mole of Mg weighs 24.3 and produces 1 mole of MgO
Mg HAS AN ATOMIC MASS OF 24.3
Mg HAS A MOLAR MASS OF 24.3 +16 = 40.3gm/mole
so 24.3 gm of Mg produce 40.3 gm MgO
set up the ratio
10 gm Mg/x of MgO = 24.3/40.3
or
10/x = 24.3/40.3
cross multiply and isolate x (use Algebra I)
24.3x =403
x=403/24,3 = 16.58 gm MgO
1.what are these things made up of? 2.are there changes in these materials? 3.is it useful to the environment when these materials chage? 4.what made them useful to the environment
Please help me out !!
When performing an experiment, the following footwear is best
Answer:
sneakers
Explanation:
Answer:
closed toe shoe
Explanation:
becusae if a cemcal spills it cant hurt your feet
what is a nucleus and what are the functions?
how does a battery get its power?
Answer:
Batteries get its power from the stored energy inside it- chemical energy- which is then converted into electrical energy. The flow of the electrons allow the electric current to do work.
Explanation:
