45. Calculate the free energy change for this reaction at 25°C. Is the reaction spontaneous? (Assume that all reactants and products are in their standard states.) C3H8(g) + 5 O2(g) — 3 CO2(g) + 4H2O(g) AHPX = -2217 kJ; ASPXn = 101.1 J/K

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Jamar FerryLv2

3 Oct 2018

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46. Calculate the free energy change for this reaction at 25°C. Is the reaction spontaneous? (Assume that all reactants and products are in their standard states.) 2 Ca(s) + O2(g) →→2 Ca(s) AHX = -1269.8 kJ; ASix = -364.6J/K

43. Calculate the change in Gibbs free energy for each of the sets of AHxn, ASxn, and T given in Problem 41. Predict whether or not each reaction is spontaneous at the temperature indicated. (Assume that all reactants and products are in their standard states.)

44. Calculate the change in Gibbs free energy for each of the sets of AH xn, ASxn, and T given in Problem 42. Predict whether or not each reaction is spontaneous at the temperature indicated. (Assume that all reactants and products are in their standard states.)