1 Kg of water (CP = 0.4 J/Kg^oC) is pumped to a height of 2 m, work done by the motor is 50 J/Kg, and heat liberated by it is 10 J/Kg, what is the final temperature of water if the initial temperature was 25^oC?
(a) 25^oC
(b) 45^oC
(c) 60^oC
(d) 75^oC
The question was posed to me in unit test.
My query is from Application of the Energy Balance to Open Systems topic in section Application of Energy Balances in the Absence of Chemical Reactions and Energy Balances: How to Account for Chemical Reaction of Basic Chemical Engineering