A fixed mass of gas occupies a volume of 20\(cm^3\) at a fixed pressure of...

WAEC 1997

A fixed mass of gas occupies a volume of 20\(cm^3\) at a fixed pressure of 700mmHg. Assuming that the temperature remains constant, what will be the volume of the gas at 750mmHg?

A. 2.5\(cm^3\)
B. 15.5\(cm^3\)
C. 18.7\(cm^3\)
D. 21.4\(cm^3\)
E. 72.5\(cm^3\)

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Correct Answer: Option C

Explanation

\(v_2=\frac{v_1p_1}{p_2}=\frac{20\times700}{750}=18.66=18.7cm^3\)

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A fixed mass of gas occupies a volume of 20\(cm^3\) at a fixed pressure of...

Correct Answer: Option C

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