. Calculate ΔH° for the process Co3 O4(s) ⟶ 3Co(s) + 2O 2(g) from the following information:

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter17: Chemcial Thermodynamics
Section: Chapter Questions
Problem 17.38QE
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. Calculate ΔH° for the process Co3 O4(s) ⟶ 3Co(s) + 2O 2(g)
from the following information:

Co(s) +(1/2)O2(g) ⟶ CoO(s) ΔH° = −237.9kJ

 

3CoO(s) + (1/2) O2(g) ⟶ Co3 O4(s) ΔH° = −177.5kJ

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