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

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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
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1 Answer

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by (84.4k points)
Correct Answer - A
`DeltaU=q+w=20-10=10kJ`
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