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A gas is allowed to expand at constant temperature from a volume of 400 ml to a volume of one litre. The final pressure of gas is 100mm of Hg. The initial pressure of the gas in nm is 1) 100 2) 200 3) 2504) 500

Answers (1)

PV=constant
P1V1=P2V2
P1*400=100*1000
P1= 250

option 3) is correct.

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Santhosh

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