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

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\(cm^3\)

View answer & explanation

Correct answer is C

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

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