The reaction of methane with water to form carbon dioxide and hydrogen is non- spontaneous at 298 K. At what temperature will this system make the transition from non-spontaneous to spontaneous? The following data is valid at 298 K: CH4(g) + 2H2O(g) = Substance: CH4(8) CO2(8) + 4H2(g) H20(g) CO2(3) H2(g) -74.87 -241.8 -393.5 (kJ/mol): AG (kJ/mol): S(J/K • mol): -50.81 -228.6 -394.4 186.1 188.8 213.7 130.7 HINT: Calculate AHxn. A So°, then determine T, must show work, write final answers below, upload work
The reaction of methane with water to form carbon dioxide and hydrogen is non- spontaneous at 298 K. At what temperature will this system make the transition from non-spontaneous to spontaneous? The following data is valid at 298 K: CH4(g) + 2H2O(g) = Substance: CH4(8) CO2(8) + 4H2(g) H20(g) CO2(3) H2(g) -74.87 -241.8 -393.5 (kJ/mol): AG (kJ/mol): S(J/K • mol): -50.81 -228.6 -394.4 186.1 188.8 213.7 130.7 HINT: Calculate AHxn. A So°, then determine T, must show work, write final answers below, upload work
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter16: Thermodynamics
Section: Chapter Questions
Problem 61E: The evaporation of one mole of water at 298 K has a standard free allergy change of 8.58 kJ....
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To become the spontaneous reaction it must have change in Gibbs free energy negative. In order to do so we have the formulas to calculate temperature.
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