Chemistry JAMB

300 cm³ of gas has a pressure of 800 mmHg. If the pressure is reduced to 650 mmHg; find its volume.

A. 243.75 cm³
B. 369.23 cm³
C. 738.46 cm³
D. 1733.36 cm³

Correct Answer:

Option B – 369.23 cm³

Explanation

P1V1= P2V2
800 * 300 = 650 * V2
V2 = (800 * 300)/650 = 369.23 cm³

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