Question: Two large heat reservoirs at temperatures 200 oC and 60

Two large heat reservoirs at temperatures 200 oC and 60 oC, respectively, are brought into thermal contact, and 1.50 x 103J of heat spontaneously flows from one to the other with no significant temperature change.
(a) The change in the entropy of the two-reservoir system is (1) positive, (2) zero, (3) negative. Explain.
(b) Calculate the change in the entropy of the two-reservoir system.

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  • CreatedAugust 29, 2015
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