A Container having 1 mole of a gas at a temperature 27 ^oC has a movable piston which maintains at c

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11.Thermodynamics

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A Container having $1\ mole$ of a gas at a temperature $27\ ^oC$ has a movable piston which maintains at constant pressure in container of $1\ atm.$ The gas is compressed until temperature becomes $127^oC.$ The work done is ........ $J$ $(C_p\ for\ gas\ is\ 7.03\ cal/mol-K)$

A

$703$

B

$831$

C

$121$

D

$2035 $

Solution

At constant pressure $W=P \Delta V=\mu R \Delta T$

$=1 \times 8.31 \times 100=831$

Standard 11

Physics

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