If a system absorbs 50 J of heat and does 30 J of work, what is the change in internal energy? - CHEMICAL KINETICS Quiz | GKFix.in

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If a system absorbs 50 J of heat and does 30 J of work, what is the change in internal energy?

A. 80 J
B. -20 J
C. 20 J
D. 0 J

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