What is the percentage increased in the volume of a gas when the pressure is reduced to half at constant temperature?

Question

Asia Patel

Chemistry

4 July, 06:03

What is the percentage increased in the volume of a gas when the pressure is reduced to half at constant temperature?

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Answers (1)

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Giles · Answer 1

100% increase.

Explanation:

At constant temperature we have the relation

P1V1 = P2V2 where P and V are pressures and volumes, so here we have, say

P1 = 10, P2 = 1/2 * 10 = 5, V1 = 10, V2 = ?

10 * 10 = 5 * V2

V2 = 100/5 = 20.

The original volume was 10 so the volume has doubled.