a)Determine AGrxn° values for the following Combustion reactions at 25°C b) Decide whether this reaction is spontanious at 25°C or not CH:(g) + O2(g) СО(g) + H-0 () AH (kJ/mol) -74.87 S° (kJ/mol) CH4 O2 CO2 H2O 0.186 0.205 -393.51 0.214 -285.83 0.070

a)Determine AGrxn° values for the following Combustion reactions at 25°C b) Decide whether this reaction is spontanious at 25°C or not CH:(g) + O2(g) СО(g) + H-0 () AH (kJ/mol) -74.87 S° (kJ/mol) CH4 O2 CO2 H2O 0.186 0.205 -393.51 0.214 -285.83 0.070

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 10.61PAE: Estimate the temperature range over which each of the following reactions is spontaneous. (a)...

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Question

a)Determine AGrxn° values for the following combustion reactions at 25°C
b) Decide whether this reaction is spontanious at 25°C or not
CH:(g) + O2(g)
CO2(g) + H2O (1)
AH (kJ/mol)
S° (kJ/mol)
CH4
O2
CO2
H2O
-74.87
0.186
0.205
-393.51
0.214
-285.83
0.070

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