1.

At 0^(@) and 760 mm Hg pressure, a gas occupies a volume of 100cm^(3). The Kelvin temperature of the gas is increased by one fifth, while the pressure is decreased by one fifth times. Calculate the final volume of the gas.

Answer»

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Solution :`T_(1)=273orT""T_(2)=273+1/5xx273or6/5T`
`P_(1)=760orP""P_(2)=760-1/5xx760or4/5P`
`V_(1)=100""V_(2)=?`
`(P_(1)V_(1))/T_(1)=(P_(2)V_(2))/T_(2),""(Pxx100)/T=(4PxxV_(2)xx5)/(5xx6T)`
`(100xx6)/4=V_(2)`
`V_(2)=150cm^(3)`


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