Question: A chunk of ice of mass ml = 100 g at a temperature tx = 0 C was placed in a calorimeter in which water

A chunk of ice of mass ml = 100 g at a temperature tx = 0 °C was placed in a calorimeter in which water of mass m1 = 100 g was at a temperature t1. Assuming the heat capacity of the calorimeter to be negligible, find the entropy increment of the system by the moment the thermal equilibrium is reached. Consider two cases:
(a) t2 = 60 °C;
(b) t2 = 94 °C.

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