Question

At constant Temperature, a gas occupies a volume of 2000cm3at a pressure 740mm of Hg. At what pressure will its volume be 500cm3.

Answer 1

Answer:

If you had stated at constant temperature then it would have been easy.

Let me assume its at constant temperature.

At constant temperature, ideal gas equation : PV = nRT says PV = constant.

Hence P1 V1 = P2 V2

Here, P1 = 1480 mm (of Hg, I guess) ; P2 = 740 mm (of Hg).

V1 =500 cc ; V2 =? (to find)

V2 = P1 V1 / P2 = 1480*500 / 740 = 1000 cc.

Explanation:

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