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please help. will upvote 2. (Adapted from Elliott and Lira problem 8.29) Ethylene at 40.26bar and 94C passes through a throttling valve and heat exchanger

please help. will upvote

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2. (Adapted from Elliott and Lira problem 8.29) Ethylene at 40.26bar and 94C passes through a throttling valve and heat exchanger and emerges at 20.13bar and 320C. Using the generalized LeeKessler departure tables, compute the flow of heat into the heat exchanger per mole of ethylene. Do not assume constant specific heats

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