20 J of heat is supplied to the system and work done on the system is – McqOptions

MCQOPTIONS

1.	20 J of heat is supplied to the system and work done on the system is 15 J. What is the change in internal energy of the system?
A.	15 J
B.	20 J
C.	25 J
D.	35 J
Answer» E.

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