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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?

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Topics in this quiz include: Energy balance simplifications and solving, open and closed energy balance applications, enthalpy of formation and reaction, heat of combustion and the concepts of heat merging.
 


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?






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