Particles in gases - OCR Gateway

1

Which description best fits the particles in a gas?

2

What happens to atmospheric pressure as the altitude increases?

3

What causes the pressure that a gas exerts?

4

When a gas is heated but the volume does not change, which of these statements is true?

5

What property of a gas is linked to its temperature?

6

When a gas is compressed at a constant temperature, which of these statements is true?

7

What will happen to the volume of a gas if the pressure on it increases by a factor of 3?

8

A container of gas has volume 4 m3. The pressure in the container is 10 kPa. What will the volume of the gas be if the container is compressed to 2 m3?

9

To test how the pressure of a gas varies with its volume, which other variable must be controlled?

10

A bicycle pump becomes warmer when it compresses air. Why is this?