Question

An isolated system contains 900 g of ice at 0 C. A hot iron block (2.5 kg and CP = 500 Cal C-1)
at 200 C was immersed in the isolated system containing ice. A following reaction gives the
enthalpy change of 1440 Cal mol-1. [Cp,m for H2O (l) = 18.0 Cal C-1 mol-1]
H2O(s) H2O(l)
Find;
(a) Final temperature of isolated system
(b) The entropy change of iron and water
(c) Total entropy and briefly explain.

Answer 1

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