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

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