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A system consists of two very large thermal reservoirs in contact with each other, one at temperature 42400 and the other at temperature -540 C.

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A system consists of two very large thermal reservoirs in contact with each other, one at temperature 42400 and the other at temperature -540 C. Determine the change in entropy of the system when 49.4kJ of heat is transferred from the 4240 reservoir to the 540 reservoir (in %)

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