1 Kg of water is pumped to a height of 1 m, the enthalpy is changed by – McqOptions

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1.	1 Kg of water is pumped to a height of 1 m, the enthalpy is changed by 5 J/Kg, and work done by the motor is 25 J/Kg, assuming system is insulated what is the change in internal energy of water?
A.	10 J
B.	25 J
C.	35 J
D.	50 J
Answer» B. 25 J

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