If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant, what final pressure would result if the original pressure was 750.0 mmHg?

1 Answer
SCooke
Dec 24, 2016

634 mmHg

Explanation:

From the Ideal Gas Laws we know that ((PV)/T)_1 = ((PV)/T)_2(PVT)1=(PVT)2 Inserting our given values into this equation with the correct temperature values we get:

(750 mmHg * V_1)/(323’K) = (P_2 * V_2)/(273.15’K) ; V_1 = V_2

P_2 = 750 * (273.15/323)

P_2 = 634 mmHg

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