Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the p

Question

Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be:

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Correct answer: C. 460 J

In cyclic process ABCA, &#916; U c y c l i c = 0 Q c y c l i c = W Q A B + Q B C + Q C A = &#160; Closed loop area 400 + 100 + Q C A = 1 2 &#215; 2 &#215; 10 - 3 &#215; 4 &#215; 10 4 500 - Q A C = 40 Q A C = 460 &#160; J

Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be:

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