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

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1.	1 Kg of water is pumped to a height of 10 m, the enthalpy is changed by 50 J/Kg, and work done by the motor is 300 J/Kg, assuming system is insulated what is the change in internal energy of water?
A.	100 J
B.	150 J
C.	200 J
D.	300 J
Answer» C. 200 J

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