CALC (a) For the Otto cycle shown in Fig. 20.6, calculate
Chapter 20, Problem 20.59(choose chapter or problem)
CALC (a) For the Otto cycle shown in Fig. 20.6, calculate the changes in entropy of the gas in each of the constant-volume processes and in terms of the temperatures and and the number of moles Td n and the heat capacity of the gas. (b) What is the total entropy change in the engine during one cycle? (Hint: Use the relationships between and and between and ) (c) The processes and occur irreversibly in a real Otto engine. Explain how can this be reconciled with your result in part (b).
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