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`        a gas is filled in a cylinder.its temperature is increased by 20% and volume decreases byby 20%.if pressure remains constant, what percentage of mass of the gas leaks out ?`
7 years ago

147 Points
```										Dear Ankit
PV=mRT
take log
logP +logV =logm +logR +logT
differentiate
δP/P  +δV/V =δm/m +δT/T
or
δP/P *100   +δV/V *100 =δm/m*100 +δT/T *100
here
δP =0
δV/V *100 =-20
δT/T *100 =20
put in above equation
δm/m*100 =-40
percentage leakage of mass is 40

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7 years ago
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