8–21 Heat in the amount of 100 kJ is transferred directly from a hot reservoir at 1200 K to a cold reservoir at 600 K. Calculate the entropy change of the two reservoirs and determine if the increase of entropy principle is satisfied

Entropy change of hot and cold reservoir are -0.08333 kJ/k and 0.16666 kJ/k respectively.

Explanation:

Given:

Temperature at hot reservoir,

Temperature at cold reservoir,

Amount oh heat transferred,

Entropy change at hot reservoir,

Entropy change at cold reservoir,

Total entropy change,

is not less than zero.Hence,it fulfills increase of entropy principle.

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