Gases

Practice Questions

Physical Chemistry › Gases

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1

A sample of argon gas at a pressure of 0.959atm and a temperature of , occupies a volume of 563mL. If the gas is compressed at constant temperature until its pressure is 1.40atm, what will be the final volume of the sample of gas?

2

An unknown gas is being analyzed in lab. You place of this gas in a container at . You observe that the pressure and volume of the gas is and , respectively. What is the identity of the gas? Assume the gas behaves ideally.

3

At constant temperature and moles, which of the following is true regarding pressure and volume of a gas?

4

A sample of argon gas at a pressure of 0.959atm and a temperature of , occupies a volume of 563mL. If the gas is compressed at constant temperature until its pressure is 1.40atm, what will be the final volume of the sample of gas?

5

An unknown gas is being analyzed in lab. You place of this gas in a container at . You observe that the pressure and volume of the gas is and , respectively. What is the identity of the gas? Assume the gas behaves ideally.

6

At constant temperature and moles, which of the following is true regarding pressure and volume of a gas?

7

Given the ideal gas law:

\ P = \rho \frac{R}{M}T

Where is density, is pressure, is the gas constant, is molar mass, and is temperature.

Based on the Ideal gas law, which of the following are true?

I. Pressure and volume are inversely proportional

II. Pressure and density are inversely proportional

III. Pressure and temperature are directly proportional

IV. Density and temperature are inversely proportional

V. R and M are inversely proportional

8

A researcher places a closed piston container at room temperature. He places a Bunsen burner at the bottom of the container and observes that the piston moves up. What can best explain this phenomenon?

9

A researcher places a closed piston container at room temperature. He places a Bunsen burner at the bottom of the container and observes that the piston moves up. What can best explain this phenomenon?

10

Given the van der Waals Equation:

Which statement accurately identifies and explains the corrections that van der Waals made to the ideal gas law, where the first correction is the term and the second correction is the term?

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