Property table-energy balance

A closed, rigid tank fitted with a paddle wheel consists of 0.5 Ibm of Nitrogen (N2) at 14.7 psia and 40°F. During a process, the paddle wheel provides 5 Btu of energy transfer by work to the gas. The nitrogen is heated until its temperature becomes 1950 °R. Neglecting changes in kinetic energy and potential energy and modeling nitrogen as an ideal gas, determine the heat transfer, in Btu, during the process. Kinetic and potential energy effects can be ignored. (Hint: Watch “Property table-energy balance”)

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