Calculate the density of sulfur dioxide gas (SO2) at 147°C and 29.9 kPa.

Answers

Answer 1

The density of the gas is obtained as  0.55 g/L.

We can find the density of the gas using the relation;

PM = dRT

P = pressure of the gas

M = molar mass of the gas

d = density of the gas

R = gas constant

T = temperature

Now;

P = 29.9 kPa

R = 8.314 L·kPa mol·K.

T =  147°C + 273 = 420 K

d = ?

M = 64 g/mol

Substituting values;

d = PM/RT

d =  29.9 kPa ×  64 g/mol/ 8.314 L·kPa mol-1K-1 420 K

d = 1913.6/3491.88

d = 0.55 g/L

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Related Questions

BRAINLIEST TO FIRST RIGHT ANSWER

Use the key above to interpret the following incomplete chemical reaction.

Select the statements at apply in order to complete the model. (Choose 3)

A) The number of atoms in the products must be equal to the reactants.

B) One diatomic oxygen should be removed from the reactant side.

C) One unbonded carbon atom should be added to the product side of the equation

D) One carbon atom and two oxygen atoms are needed to balance the equation.

E) One carbon dioxide molecule should be added to the product side of the equation.​

Answers

Answer:

Carbon dioxide molecule

Answer:a , d ,e

Explanation:

jusy took quiz

which best explains why water dissolves most salts?

Answers

Answer:

where are the answers?

Explanation:

chemistry, giving brainliest !

Answers

the actual yield is i believe 20.03g
i may be wrong and if i am, i am extremely sorry and also sleep deprived

Answer:

20.03g

Explanation:

This is the formula for percentage yield:

Percentage yield = Actual Yield / Theoretical yield

Rearrange it to get the Actual yield, which would be:

Actual yield = Percentage yield (in decimal form) x Theoretical yield

We know that 75% of CO2 is produced as the percentage yield in a reaction and the theoretical yield for the mass we're supposed to find is 26.7 grams.

Percentage yield in decimal form: 0.75

Theoretical yield: 26.7g

Plug it in the equation

Actual yield = 0.75 x 26.7g

Actual yield = 20.03g

Which statement describes how a substance melts?(1 point) Molecules in the substance gain kinetic energy and then become less tightly bound to each other. Molecules in the substance gain kinetic energy and then become less tightly bound to each other. Molecules in the substance lose kinetic energy and then become more tightly bound to each other. Molecules in the substance lose kinetic energy and then become more tightly bound to each other. Molecules in the substance lose kinetic energy and then become less tightly bound to each other. Molecules in the substance lose kinetic energy and then become less tightly bound to each other. Molecules in the substance gain kinetic energy and then become more tightly bound to each other. Molecules in the substance gain kinetic energy and then become more tightly bound to each other.

Answers

Answer:

Molecules in the substance gain kinetic energy and then become less tightly bound to each other.

Explanation:

According to the forces of attraction , for a substance to melt molecules  in the substance gain kinetic energy and then become less tightly bound to each other.

What are forces of attraction?

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Millikan determined the electron's ______ .

Answers

Answer

In 1909, Robert Millikan and Harvey Fletcher conducted the oil drop experiment to determine the charge of an electron. ... Using the known electric field and the values of gravity and mass, Millikan and Fletcher determined the charge on oil droplets in mechanical equilibrium.

Millikan and fletcher determined the charge on oil droplets in mechanical equilibrium

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have a good day

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carryonlearing

is change in color a physical change

Answers

Answer: A change in color is not always a chemical change. If one were to change the color of a substance in a non-chemical reaction scenario, such as painting a car, the change is physical and not chemical.

Solid → Liquid: Melting

Solid → Gas: Sublimation

Liquid → Gas: Vaporization

Gas → Liquid: Condensation

Explanation:

good and bad effects of changes in materials in the environment​

Answers

Answer:

Composting, recycling, technological development, water cycle and photosynthesis are changes that have good effects. Some changes have bad effect like pollution and destruction of habitat and lose of lives.

Explanation:

hope it helps

How many moles of water is 5.02x1018 molecules
of water?

Answers

Answer:8.334×10^-6 moles

Explanation:

a mole is 6.023×10^23

5.02×10^18 ÷ 6.023×10^23=8.33×10^-6

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other contains hydrogen. What will happen when the valve is opened?

Answer Choices:

A. Oxygen and hydrogen molecules will mix because of random movement of their molecules.
B. Oxygen and hydrogen molecules will remain in separate jars because of different partial pressures.
C. Oxygen and hydrogen molecules will remain in separate jars because of different rates of expansion.
D. Oxygen and hydrogen molecules will mix because the molecules have a much lower volume than the volume of the jars.

Answers

When the valve is opened, oxygen and hydrogen molecules will mix because of random movement of their molecules.

What is diffusion?

Diffusion involves the movement of gas molecules from one region where they are in higher concentration to another region where they are in lower concentration.

When the valve is opened, oxygen and hydrogen molecules will mix because of random movement of their molecules.

Learn more about diffusion: https://brainly.com/question/576417

Answer:

Oxygen and hydrogen molecules will mix because of random movement of their molecules.

Explanation:

PLS HELP

Answer this question and I will mark you the braninliest! <3

Answers

Answer:

the left one

Explanation:

heavier means it goes faster

a magnesium ion has 12 protons and a charge of 2 . how many electrons does it contain?

Answers

Answer:

It contains 12 electrons.

PLEASEEE HELPPPPPPPPPPPPPPPPPP

Answers

It’s 160.325 grams of mol sulfur! Hope this helped :)

Consider the following reaction:
Mg + 2H2O Mg(OH)2 + H2 ΔH = -353 kJ

This reaction is
A.
exothermic because heat is released.
B.
endothermic because heat is released.
C.
endothermic because heat is absorbed.
D.
exothermic because heat is absorbed.

Answers

Answer:

A

Explanation:

I think it's the answer

Some acids like acetic acid and tartaric acid cannot be tasted
TRUE OR FALSE

Answers

The statement is a false.

An acid is a substance which when dissolved in water, produces hydroxonium ion, as the only positive ion.

Some properties of acid include:

They have sour tastes and

Strong acids are corrosive.

There are two types of acids which includes:

Strong acids: These are the acids that ionizes completely in solution.

Weak acid: These are the acids that ionizes incompletely in solution.

Examples of weak acid is acetic acid and tartaric acid.

They can be used as food substances like vinegar and naturally occurs on fruit like banana or grape.

Therefore, weak acids such as acetic acid and tartaric acid can be tasted.

Learn more about weak acids here:

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The given statement is False.

Some acids like acetic acid and tartaric acid can be tasted.

Organic acids, such as acetic, citric, malic, and fumaric acids in fruits and vegetables, and tartaric acid in wine, contribute significantly to the sour flavor of foods and beverages. Many inorganic acids taste sour in dilute solutions.

Tartaric acid is fairly water soluble and has a pronounced tart flavor. Tartaric acid is present naturally in grapes and bananas and has been shown to improve the flavor of grape and lime-flavored beverages. Tartaric acid may aid in the treatment of glucose intolerance and digestion.

Acetic acid is a colorless liquid having a sour flavor. Although it is most frequently associated with vinegar, this acid has a wide range of different applications in a variety of industries. Acetic acid is a colorless liquid that is composed of chemical compounds.

To know more about Acetic acid,

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how many grams are in 4.5 x 10^22 molecules of water

Answers

Answer:

1.35 g

Explanation:

water is h2o, so the molar mass is 1.01x2+16.00=18.02. divide 4.5 x 10^22 by 6.022 x 10^23 to get 7.5 x 10^-2 (2 sig figs). 18.02 x 7.5 x 10^-2 is 1.35 g

for the reaction, Pb(no3)2 + 2kI yields pbi 2 + 2 kno3, how many moles of lead iodine are produced from 300 g of potassium iodine

Answers

Good its true no problem plus 222-333

Help please I don’t know what to do

Answers

I wish I could help you I’m so so sorry.

Calculate the molar mass for CO

Answers

Answer:28.01 grams

Explanation:

calculate the number of atoms in a sample containing 3.5 g of silicon atoms

Answers

Answer:

there are 7. 505 x 1022 atoms in 3.5 grams of silicon.

Explanation:

So, 1 mole of silicon will have a mass of 28.0855 g and the number of atoms will be 6.022 x 1023. Therefore, there are 7. 505 x 1022 atoms in 3.5 grams of silicon.

Answer:

1 mole of silicon will have a mass of 28.0855 g and the number of atoms will be 6.022*1023 . Therefore , there are 7.505*1022 atom in 3.5 g of silicon .

Would an alkaline earth metal make a good replacement for tin in a tin can?

Answers

Answer:

Definitely not. This is because the alkaline earth metal [basically group 2 elements] are reactive and will react with the contents of the can, contaminating it.

No, alkaline earth metals would not be a good replacement for tin in a tin can because alkali from alkaline earth metals react with tin and release hydrogen.

What are alkaline earth metals?

Alkaline earth metals are present in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

They are called alkaline earth metals because their hydroxide and oxides are highly alkaline. Their metal oxides are found in the earth's crust.

These metals have 2 electrons in their outer shell, and they are highly reactive, so they will react with the tin in a tin can.

Thus, alkali from alkaline earth metals react with tin and generate hydrogen, hence they would not make an acceptable replacement for tin in a tin can.

To learn more about alkaline earth metal, refer to the below link:

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when a tennis ball is dropped from a high distance is it elastic or inelastic collision? explain?

Answers

Answer:

An elastic collision.

Explanation:

When a ball is dropped to the ground, one of four things may happen: It may rebound with exactly the same speed as the speed at which it hit the ground. This is an elastic collision.

Look at the graph. Which part of the line shows a time
when the object was not moving?

Answers

B.

For the period of B, the line didn’t go up or down, it stayed still.
this shows that time was still passing but the car didn’t move.

Calculate the following examples.

1. Ramji conducted an experiment in the field related to the rate of percolation. He observed that it took 30 minutes for 600 ml of water to percolate through the soil. Calculate the rate of percolation per hour.

2. Jigna takes 50g of dry powdered soil in a filter paper and slowly adds water to the soil from a 100 ml fully filled measuring cylinder. When water starts dripping from the filter paper, 60 ml of water is left in the measuring cylinder. Find out the percentage of water absorbed by the soil.​

Answers

Answer:

12ml per hour and

69% LOL

1) The rate of percolation would be 0.33 ml/s

Percolation rate = volume of water/time

                             =  600/1800s

                              = 0.33 ml/s

2) The percentage of water absorbed would be 40%

Percentage of water absorbed = amount absorbed/total water x 100

                         

                 amount of water absorbed = 100 - 60

                                                      = 40 ml

                  total amount of water = 100 ml

   Percentage of water absorbed = 40/100 x 100

                                                       = 40%

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plzzzzzzzz helpppp

The half-life of a radioactive isotope is 2.4 minutes. If you started with 100.0 grams, how many grams would be left after 7.2 minutes has elapsed? Explain how you arrived at your answer.

Answers

Answer:

12.5grams would remain after time has elapsed

explain a mixture of molecules

Answers

Answer:

A mixture of molecules is a group of molecules in which there are multiple different elements and atoms, that are in either fixed proportions or random. There are heterogeneous and homogenous mixtures.

Explanation:

giving brainliest, more chemistry questions being uploaded

Answers

Answer:

We have the atoms, and we have the molar mass of Vanadium (listed in the periodic table) which should be 50.94g/mol.

The first step is to convert the 4.18 x 10^23 atoms into moles by dividing the atoms by Avogadro's number (6.02 x 10^23)  

(4.18 x 10^23)/(6.02 x 10^23) = 0.694 moles

Now we know that moles is equal to the mass divided by the molar mass. So now that we have the moles and the molar mass of Vanadium, we can rearrange the equation to find mass. Once you have rearranged it, you have to multiply the moles by the molar mass.

So 0.694 moles x 50.94g/mol = 35.35g of V

Welcome to my attic. I'm positive
that there are a lot of metals in
here.


Answers

Answer:

Gold Iron Titanium Lithium

Explanation:

Which of the following elements are most likely to form an ionic bond
K and Ca

S and Cl

K and Cl

C and O

Answers

Answer:

K (Potassium) and Cl (Chlorine)

Explanation:

Ionic bonds are formed with metals and nonmetals

Covalent bonds are formed only with nonmetals

Calcium and potassium are both metals

Sulfur and Chlorine are both nonmetals so they don't form ionic bonds

Carbon and Oxygen are both nonmetals so they don't form ionic bonds

Find the molar mass of iron (III) nitrate, Fe(NO3)3

Answers

Answer:

Hey there are you doing are you doing I will tell you the answer

what species has an atom with an oxidation number of 3

Answers

So we found out that chlorine had an overall oxidation number of plus three, and that's it for this one.
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