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Creating an Energy Efficient Engine

Heat given to...

Question

Heat given to a system under isochoric process is equal to:

A

W

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B

q_{p}

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C

Δ U

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D

Δ H

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Solution

The correct option is C $Δ U$
For an isochoric process $V is constant$ ;
Thus,
$Δ V = 0$
From 1st law of thermodynamics,
$q = Δ U - W$
$We know W = - P Δ V$
$\Rightarrow q_{v} = Δ U$

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