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Thermodynamic Processes

Calculate Δ...

Question

Calculate $Δ U$ if $2 k J$ heat is released and $10 k J$ work is done on the system.

A

12 k J

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B

8 k J

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C

- 8 k J

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D

- 12 k J

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Solution

The correct option is C $8 k J$
Solution:- (B) $8 k J$
$q = - 2 k J$
$w = + 10 k J$
$Δ U = q + w = - 2 + 10 = + 8 k J$

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