Using the given standard enthalpies of formation in the table to calculate A Horxn for this reaction. 2 CH3OH(1) + O2(g) → CH3COOH(I) + 2 H2O(1) AHof CH3OH(1) -238 kJ/mol CH3COOH(1) -487 kJ/mol H2O(1) -286 kJ/mol H₂O(g) -241 kJ/mol

Using the given standard enthalpies of formation in the table to calculate A Horxn for this reaction. 2 CH3OH(1) + O2(g) → CH3COOH(I) + 2 H2O(1) AHof CH3OH(1) -238 kJ/mol CH3COOH(1) -487 kJ/mol H2O(1) -286 kJ/mol H₂O(g) -241 kJ/mol

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter6: Thermochemistry

Section: Chapter Questions

Problem 77E: Give the definition of the standard enthalpy of formation for a substance. Write separate reactions...

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Question

i know the answer is -583kJ but I did not understand why. I would appreciate any help on how to solve this step by step, thank you :)

Using the given standard enthalpies of formation in the table to calculate A
Horxn for this reaction.
2 CH3OH(1) + O2(g) → CH3COOH(I) + 2 H2O(1)
AHof
CH3OH(1)
-238 kJ/mol
CH3COOH(1)
-487 kJ/mol
H2O(1)
-286 kJ/mol
H₂O(g)
-241 kJ/mol

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