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

The answer is B. 75.0 Nm-2.

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

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

waec 1988 physics

The correct answer is B. 75.0 Nm^-2

P₁/T₁ = P₂/T₂

80/(273+47) = P₁/(273+27) = 75Nm^-2

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