A Carnot engine contains 2.00 mol of neon gas as its working substance. It operates with a hot reservoir temperature of 500 oC. Using a heat input of 500 J, the engine lifts a 15.0 kg weight 2.00 m per cycle. (a) Draw a PV-diagram for this cycle. Determine the temperature and pressure of the gas at the end of each step of the Carnot cycle. (b) Determine the temperature of the cold reservoir. (c) For each step, determine Q, W, and ΔU. (d) How much heat energy does this engine waste per cycle? (e) Calculate the efficiency of the engine using ŋ=-W/QH and using ŋ=1-TC/TH. Compare the two values. I mainly need C

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