The molar enthalpy of fusion of solid bismuth is 11.0 kJ mol-1, and the molar entropy...

Question

Question

The molar enthalpy of fusion of solid bismuth is 11.0 kJ mol-1, and the molar entropy of fusion is 20.2 J K-1 mol-1.

(a) Calculate the Gibbs free energy change for the melting of 1.00 mol of bismuth at 575 K. kJ

(b) Calculate the Gibbs free energy change for the conversion of 5.12 mol of solid bismuth to liquid bismuth at 575 K. kJ

(c) Will bismuth melt spontaneously at 575 K?

(d) At what temperature are solid and liquid bismuth in equilibrium at a pressure of 1 atm? K

science chemistry

Answer 1

Answer #1

- Asfus @ Ahlue = il.OKJ /mol = 11x10 J/mol As fus = 2012 J K not! AGfus = Alfus - TASfus 1 = (114103 – 575 *20.2) J/mol = -6

Answer 2

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