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
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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10.51
Round your answers to 6 decimal places
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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