An ideal gas is taken around the cycle abca

Asked by admin @ 11/08/2021 in Chemistry viewed by 265 People

An ideal gas is taken through a cycle A-B-C-A as shown in figure.If net heat supplied to the gas in the cycle is 5J the work done by the gas in the process C-A

Answered by admin @ 11/08/2021

$\text{[math]}$

Answer : −5J
$\text{[math]}$
Explanation :
$green$
In the cyclic process : △=0
$\text{[math]}$
△Q=△W△Q=△W
$\text{[math]}$
△W=WA→B+WB→C+WC→A△W=WA→B+WB→C+WC→A $\text{[math]}$
$\text{[math]}$
WB→C=0WB→C=0 (Volume remains constant)
$\text{[math]}$
WA→B=P(V2−V1)WA→B=P(V2−V1) (Pressure remains constant)

=10(2−1)=10J=10(2−1)=10J

Therefore , 5=10+WC→A5=10+WC→A

WC→A=−5J

$\text{[math]}$

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