The volume of a fixed mass of gas is 10cm³ when its pressure is 400cmHg. Determine the volume of the gas when its pressure is 200cmHg.

By: |Published on: Nov 4|Categories: Physics JAMB| 0 comments

A. 30cm³
B. 40cm³
C. 50cm³
D. 20cm³

Correct Answer:

Option D – 20cm³

Explanation

Using boyle’s law

P1V1 = P2V2

V2 = P1V1/200 = 400×10/200

= 20cm³

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