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A system absorbs 20kJ heat and also does...

A system absorbs `20kJ` heat and also does `10kJ` of work. The net internal enegry of the system

A

increases by 10kJ

B

decreases by 10kJ

C

increases by 30kJ

D

decreases by 30 kJ

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaU=q+w=20-10=10kJ`
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