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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.

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.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.94PAE
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10.51

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10.51 The combustion of acetylene was used in welder's torches for many years because it produces a very hot flame: 5 C,H,(g) + → 2 CO2(g) + H2O(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.
Transcribed Image Text:10.51 The combustion of acetylene was used in welder's torches for many years because it produces a very hot flame: 5 C,H,(g) + → 2 CO2(g) + H2O(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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