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Change in internal energy, when 4 kJ of ...

Change in internal energy, when 4 kJ of work is done on the system and 1 kJ of heat is given out by the system is ____

A

`+1` kJ

B

`-5` kJ

C

`+3` kJ

D

`-3` kJ

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaU=q+w`
`DeltaU`=-1 kJ + 4 kJ
`DeltaU` =+3 kJ
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