The ratio of the initial to final pressure of a given mass of gas is...

JAMB 2000

The ratio of the initial to final pressure of a given mass of gas is 1:1.5. Calculate the final volume of the gas if the initial volume was 300 cm³ at the same temperature

A. 120 cm³
B. 200 cm³
C. 450 cm³
D. 750 cm³

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Correct Answer: Option B

Explanation

From P₁V₁ = P₂V₂
1 * V₁ = 1.5 * V₂
((1 * 300)/1.5) = V₂
∴ V₂ = 200 cm³

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The ratio of the initial to final pressure of a given mass of gas is...

Correct Answer: Option B

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