10.51 The combustion of acetylene was used in welder's torches for many years because it produces a very hot flame: C,H2(g) + 50,(g) → 2 CO,(g) + H,O(g) AH° = - 1255.5 kJ (a) Use data in Appendix E to calculate AS° for this reaction. (b) Calculate AG° and show that the reaction is spontane- ous at 25°C.

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