How much heat in kj is exchanged during each of processes

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Reference no: EM13305112

One kilogram of air (which behaves as an ideal gas) in a piston-­cylinder assembly is subjected to two separate processes from the same initial to the same final state: at the initial state the air has a volume of 1,000 L, a pressure of 10^5 N/m2, and a temperature of 420K. At the final state the air has a volume of 100 L, a pressure of 10^6 N/m2, and a temperature of 490K.

Process #1 involves two steps: it first pressurizes the air to 10^6 N/m2 at constant volume and then takes it to the final state at constant pressure.

Process #2 involves a single step taking the air from the initial to the final state, while pV=constant.

(a) Sketch each process on a p-­V diagram indicating initial, middle (if any), and final states;

(b) How much heat in kJ is exchanged during each of the two processes;

(c) Which process requires the least amount of heat input or yields the highest amount of heat output.

Reference no: EM13305112

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