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 for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.101PAE: 10.101 Fluorine reacts with liquid water to form gaseous hydrogen fluoride and oxygen. (a) Write a...
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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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