Question 233 of 279 in Solids, Liquids and Gases

The gas laws

1 mark · Easy

Describe what happens to the volume of a gas if its pressure is doubled at constant temperature.

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show answer

The volume halves.

Also accept: The volume decreases to half its original value.

Common mistakes: Saying volume doubles instead of halves

Show mark scheme and worked solution

Marking points

B1 · 1 mark · States that volume halves (or decreases to half its value)

Worked solution

By Boyle's Law, pressure and volume are inversely proportional. If pressure is doubled, volume is halved.

Report a problem with this question