The change in internal energy of a thermo- dynamical system which has – McqOptions

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1.	The change in internal energy of a thermo- dynamical system which has absorbed 2 kcal of heat and done 400 J of work is \[(1\text{ }cal=4.2J)\]
A.	2 kJ
B.	8 kJ
C.	3.5 kJ
D.	5.5 kJ
Answer» C. 3.5 kJ

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