Steps for solving the cycle problem: First, find the pressure, volume, and temperature at each point. Second, find the internal energy at each point. Third, using the internal energy at each point to calculate the heat and work during each path. Finally, using the data to solve for change of entropy on each path. At the first time I was solving this question, I use the wrong equation which is use for solve monatomic gas to solving this one. I also use the wrong value for Cv and Cp.
Second time I just using the right equations for diatomic gas and plug in with right value for Cv and Cp then I got the right answer.
STEM Presentation & Poster Competition
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