40kg of water at 30 c is mixed with 40 kg of water at 47 c
4.0kg of water at 30 C is mixed with 4.0 kg of water at 47 C in a well-insulated container. Estimate the net change in entropy of the system.
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suppose a heat engine pulls 337times104 j of work from the hot reservoir and 752times103 j of that energy is used to
suppose a heat engine has an efficiency of 0201 and produces 109times104 j of work how much energy is pulled in from
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40kg of water at 30 c is mixed with 40 kg of water at 47 c in a well-insulated container estimate the net change in
two containers contain the same gas at different temperatures and pressures as indicated in the figure the small
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