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Questions  

A system is given 300 calories of heat and it does 600J of work how much does the internal energy of the system change in this process

a
654 Jouls
b
156.5 Jouls
c
- 300 Jouls
d
- 528.2 Jouls

detailed solution

Correct option is A

ΔU=Q−W=(300×4.18−600)J=654J

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