15 J of heat is supplied to a system and system does 5 J of work, what – McqOptions

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1.	15 J of heat is supplied to a system and system does 5 J of work, what is the change in internal energy?
A.	t5 J
B.	t10 J
C.	t15 J
D.	t20 J
Answer» C. t15 J

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