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Cgrafito + 2H2 CH4(9) CH4(g) + 202(g) CO2(9) + 2H2Ou) ACH°= -802.37 kJ/mol Cgrafito + O2(g) CO2(9) AH°= -393.5 kJ/mol 2H2(9) + O2(g) 2H2O(9) A:H°= -241.83 kJ/mol

Cgrafito + 2H2 CH4(9) CH4(g) + 202(g) CO2(9) + 2H2Ou) ACH°= -802.37 kJ/mol Cgrafito + O2(g) CO2(9) AH°= -393.5 kJ/mol 2H2(9) + O2(g) 2H2O(9) A:H°= -241.83 kJ/mol

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.53PAE: 9.53 Using these reactions, find the standard enthalpy change for the formation of 1 mol of PhO(s)...
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Using Hess's Law, determine AHf ° for CH4 based on the following reactions. It is known that when methane combustion takes place, 802.37 kJ / mol of heat is released Cgrafito + 2H2 CH4(g) CH4(9) + 202(9) CO29) + 2H2O) A¢H°= -802.37 kJ/mol Cgrafito + O2(g) CO2(g) A:H°= -393.5 kJ/mol 2H2(9) + O2(9) 2H2O(9) A¡H°= -241.83 kJ/mol
Transcribed Image Text:Using Hess's Law, determine AHf ° for CH4 based on the following reactions. It is known that when methane combustion takes place, 802.37 kJ / mol of heat is released Cgrafito + 2H2 CH4(g) CH4(9) + 202(9) CO29) + 2H2O) A¢H°= -802.37 kJ/mol Cgrafito + O2(g) CO2(g) A:H°= -393.5 kJ/mol 2H2(9) + O2(9) 2H2O(9) A¡H°= -241.83 kJ/mol
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