10 Kg of water is pumped to a height of 2 m, the enthalpy is changed b – McqOptions

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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.	50 J
B.	100 J
C.	150 J
D.	200 J
Answer» D. 200 J

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