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The State of a Gas

During a proc...

Question

During a process work equivalent to 400J is done on a system, which gives out of 125J of energy. The change in internal energy is?

A

525J

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B

375J

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C

275J

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D

200J

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Solution

The correct option is D 525J
$w = 400 J$
$q = 125 J$
$Δ V = w + q$
$= 525 J$

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