A given mass of gas has a pressure of 80Nm-2 at a temperature of 47oC....

WAEC 1988

A given mass of gas has a pressure of 80Nm^-2 at a temperature of 47^oC. If the temperature is reduced to 27^oC with the volume remaining constant, the new pressure is

A. 46.0 Nm^-2
B. 75.0 Nm^-2
C. 80.0 Nm^-2
D. 85.3 Nm^-2
E. 139.4 Nm^-2

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Correct Answer: Option B

Explanation

P₁/T₁ = P₂/T₂

80/(273+47) = P₁/(273+27) = 75Nm^-2

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A given mass of gas has a pressure of 80Nm-2 at a temperature of 47oC....

Correct Answer: Option B

Explanation

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