A scientist measures the standard enthalpy change for the following reaction to be - 73.2 kJ: 3Fe2O3 (s) + H2 (g) → 2Fe3O4 (s) + H₂O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of Fe3O4 (s) is kJ/mol. Substance AH (kJ/mol) Fe₂O3 (s) H₂ (9) H₂O(g) -824.2 0.0 -241.8

A scientist measures the standard enthalpy change for the following reaction to be - 73.2 kJ: 3Fe2O3 (s) + H2 (g) → 2Fe3O4 (s) + H₂O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of Fe3O4 (s) is kJ/mol. Substance AH (kJ/mol) Fe₂O3 (s) H₂ (9) H₂O(g) -824.2 0.0 -241.8

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A scientist measures the standard enthalpy change for the following reaction to be - 73.2 kJ:
3Fe2O3 (s) + H₂(g) → 2Fe3O4 (s) + H₂O(g)
Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of
Fe3O4 (s) is
kJ/mol.
Substance AH (kJ/mol)
Fe₂O3 (s)
H₂ (g)
H₂O(g)
Submit Answer
-824.2
0.0
-241.8
Retry Entire Group 9 more group attempts remaining

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