High School Chemistry - Using the Ideal Gas Law and Combined Gas Law

1

A $\small 4.5L$ container of gas has a pressure of $\small 3.0atm$ at a temperature of $\small 100^oC$ . The container is expanded to $\small 6L$ , and the temperature is increased to $\small 200^oC$ .

What is the final pressure of the container?

2

Which of the following is a condition of the ideal gas law?

3

Below is the ideal gas law.

What does each letter of the ideal gas law represent?

4

A scuba diver uses compressed air to breath under water. He starts with an air volume of at sea level () at a temperature of . What is the volume of air in his tank at a depth of () and a temperature of ?

5

A sample of helium gas at and a pressure of is used to inflate a balloon. What is the volume this gas occupies when the temperature reaches at a pressure of during the inflation?

6

A gas at STP has a volume of . The gas is compressed to and heated to . What is the new pressure of the gas in atm?

7

A gas in a container is at STP. How many moles of gas are in the container?

8

Which law is represented by the following formula?

$\frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2} V_{2}}{T_{2}}$

9

At STP, an unknown gas has a density of $\small 1.7\frac{g}{L}$ .

Based on this information and the periodic table, what is the identity of the gas in the container?

$R=0.08206\frac{L*atm}{mol*K}$

10

$\small 10g$ of an unknown gas are contained in a $\small 3L$ container. The container has a pressure of $\small 2.04atm$ at a temperature of $\small 25^oC$ .

Based on this information and the periodic table, which of the following gases is in the container?

$R=0.08206\frac{L*atm}{K*mol}$

Using the Ideal Gas Law and Combined Gas Law

Practice Questions