Problem Set #6, Chem 340, Fall 2013
Engel P5.14) The standard entropy of Pb(s) at 298.15 K is 64.80 J K–1 mol–1.Assume that the heat capacity of Pb(s) is given by n C P, m Pb, s J mol 1 K 1 22.13 0.01172 T K 1.00 10 5 T2 K2 773.15 K The melting point is 327.4°C and the heat of fusion under these conditions is 4770.
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