Ideal Gas Law

Practice Questions

AP Chemistry › Ideal Gas Law

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1

If the pressure of a sample of one mole of an ideal gas is increased from 2atm to 3atm at a constant volume, and the initial temperature was 20˚C, what is the final temperature of the sample?

2

If a container holds 1mol of hydrogen, 2.5mol of helium, and 2mol of oxygen at a total pressure of 4atm, what is the partial pressure of the oxygen gas?

3

Ammonia is created according to the balanced equation below.

The reaction is allowed to take place in a rigid container. Eight moles of hydrogen gas are mixed with two moles of nitrogen gas. The initial pressure exerted on the container is 5atm.

Assuming the reaction runs to completion, what will the pressure exerted on the vessel be after the reaction takes place?

4

A glass container holds a mixture of two gases. Gas A exerts a pressure of 5atm on the container.

If there are twice as many moles of gas A as there are moles of gas B in the container, what is the total pressure in the container?

5

How many moles of Oxygen gas are present at a volume of 10 L at 1 atm and 25o C? (MW Oxygen gas = 32 g/mol)

6

An ideal gas takes up 60L at 2 atm. If the gas is compressed to 30L, what will the new pressure be?

7

An ideal gas is initially at the following conditions:

The gas is then isothermally compressed to 15 atm.

What is the volume of the gas after compression? Round to the nearest liter.

8

Each of the following compounds are contained in a closed container with a volume of 100mL. Which of the following will exert the most pressure?

9

What is the final pressure of a gas initially has a pressure of 10 atm at 50 L if the volume s now 25 L?

10

A sealed container containing 15L of oxygen gas, , with a pressure of 3atm at . How many grams of oxygen gas is present in the container? Assume ideal behavior of the gas.

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