Задача 20775.

Iron with a mass of 1 kg at a temperature of 100 ° C is in thermal contact with the same piece of iron at 0 ° C. What will be the change in entropy when the equilibrium temperature reaches 50 ° C? Consider that the molar heat capacity of the iron is 25.14 J / K.

DETAILED solution with a short recording conditions, formulas and laws used in the decision output and the response calculation formula.
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