A volume of air (assumed to be an ideal gas) is first cooled without changing it

Question

A volume of air (assumed to be an ideal gas) is first cooled without changing its volume and then expanded without changing its pressure, as shown by the path a,b,c in the figure (Figure 1) . Take the graduation po= 1.0?10^5 Pa and the graduation Vo= 0.10m^3. (A) How does the final temperature of the gas compare with its initial temperature? (B) How much heat does the air exchange with its surroundings during the process a,b,c? (D) If the air instead expands from state a to state c by the straight-line path shown, how much heat does it exchange with its surroundings?

Explanation / Answer

i think the question is incomplete ....some data is missing

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