Use the following reaction for problems 21 and 22: 2CO (g) + O2 (g) → 2CO2 (g) 21. Use the heats of formation from the table on the right to determine ∆Horxn. ∆Hf° Compound (kJ/mol) CO -110.5 O2 0 CO2 -393.5 ΔH°rxn = _____________
Use the following reaction for problems 21 and 22: 2CO (g) + O2 (g) → 2CO2 (g) 21. Use the heats of formation from the table on the right to determine ∆Horxn. ∆Hf° Compound (kJ/mol) CO -110.5 O2 0 CO2 -393.5 ΔH°rxn = _____________
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter16: Spontaneity Of Reaction
Section: Chapter Questions
Problem 29QAP: Use standard entropies and heats of formation to calculate G f at 25C for (a) cadmium(II) chloride...
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Use the following reaction for problems 21 and 22: 2CO (g) + O2 (g) → 2CO2 (g)
21. Use the heats of formation from the table on the right to determine ∆Horxn. ∆Hf°
Compound (kJ/mol)
CO -110.5 O2 0
CO2 -393.5
ΔH°rxn = _____________
22. Use the bond enthalpies from the table on the right to determine ∆Horxn.
Bond
enthalpy (kJ/mol)
C-C 347 C=C 620 O-O 142 O=O 499 C-O 351 C=O 799 C≡O 1070
ΔH°rxn = _____________
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