Question: A vertical pistoncylinder device contains water and is being heated on top of a range. During the process, 65 Btu of heat is transferred to

A vertical piston–cylinder device contains water and is being heated on top of a range. During the process, 65 Btu of heat is transferred to the water and heat losses from the side walls amount to 8 Btu. The piston rises as a result of evaporation, and 5 Btu of work is done by the vapor. Determine the change in the energy of the water for this process.

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