1.

10 Kg of water is pumped to a height of 2 m, the enthalpy is changed by 15 J/Kg, and work done by the motor is 50 J/Kg, assuming system is insulated what is the change in internal energy of water?

A. t50 J
B. t100 J
C. t150 J
D. t200 J
Answer» D. t200 J


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