4) Use the information below to find AHran for...2MNO2(aq) + COe)→ Mn,O3(aq) + CO22)Using the following information:MnO2 + CO → MnO + CO2AH rxn-151 kJ/mol%3D-54 kJ/molMn;04 + C0 → 3MNO + CO23Mn,O; + C0 → 2Mn;O4 + CO,AH°,TxnAH°rxn-142 kJ/mol%3D

The final equation is obtained by the following relation: ∆H0rxn= (1/3) ×3 + (2/3) ×2 – 2 ×1

4) Use the information below to find AHpn for... 2MNO2(aq) + CO(g) → Mn2O3(aq) + COz(g) Using the following information: AH rxn -151 kJ/mol MnO2 + CO → MnO + CO2 Mn304 + C0 → 3MNO + CO2 3MN2O3 + CO → 2MN304 + CO2 %3D AH rxn -54 kJ/mol AH°rxn -142 kJ/mol

4) Use the information below to find AHpn for... 2MNO2(aq) + CO(g) → Mn2O3(aq) + COz(g) Using the following information: AH rxn -151 kJ/mol MnO2 + CO → MnO + CO2 Mn304 + C0 → 3MNO + CO2 3MN2O3 + CO → 2MN304 + CO2 %3D AH rxn -54 kJ/mol AH°rxn -142 kJ/mol

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

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 5.26QE

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Question

4) Use the information below to find AHran for...
2MNO2(aq) + COe)
→ Mn,O3(aq) + CO22)
Using the following information:
MnO2 + CO → MnO + CO2
AH rxn
-151 kJ/mol
%3D
-54 kJ/mol
Mn;04 + C0 → 3MNO + CO2
3Mn,O; + C0 → 2Mn;O4 + CO,
AH°,
Txn
AH°rxn
-142 kJ/mol
%3D

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