4) Use Hess's law to calculate AG°rxn using the following information. 2 NO(g) + O(g) → NO2(g) AG°rxn=? %3D reverse -489.6KJ 8 2 O3(g) → 3 02(g) 02(g) → 2 0(g) NO(g) + O3(g)→ NO2(g) + O2(g) AG°rxn = +489.6 kJ AG°rxn = +463.4 kJ -463,4 KJ +어9.5K3 AG°rxn = - 199.5 kJ -> A) +753.5 kJ B) +277.0 kJ C-676.0 kJ D) -1152.5 kJ E) -225.7 kJ

4) Use Hess's law to calculate AG°rxn using the following information. 2 NO(g) + O(g) → NO2(g) AG°rxn=? %3D reverse -489.6KJ 8 2 O3(g) → 3 02(g) 02(g) → 2 0(g) NO(g) + O3(g)→ NO2(g) + O2(g) AG°rxn = +489.6 kJ AG°rxn = +463.4 kJ -463,4 KJ +어9.5K3 AG°rxn = - 199.5 kJ -> A) +753.5 kJ B) +277.0 kJ C-676.0 kJ D) -1152.5 kJ E) -225.7 kJ

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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9.) Use Hess's law to calculate AG°rxn using the following information. NO(g) + 0(g) 2 03(g) → 3 02(g) → 2 0(g) NO2(g) AG°rxn=? AG°rxn=+489.6 kJ AG°rxn=+463.4 kJ 02(g) NO(g) + 03(g) → NO2(g)+ 02(g) AG°rxn=- 199.5 kJ
Determine the standard enthalpy of formation (in kJ/mol) of calcium carbonate (AH°) from the thermochemical equations given below. Ca(OH)2(s) → CaO(s) + H20(1) AH° = 65.2 kJ/mol-rxn Ca(OH)2(s) + CO2(g) → CaCO3(s) + H2O(1) AH° = -113.8 kJ/mol-rxn C(s) + O2(g) –CO2(g) AH° = -393.5 kJ/mol-rxn 2 Ca(s) + O2(g) → 2 CaO(s) AH° = -1270.2 kJ/mol-rxn
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Enter your answer in the provided box. The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting-that is, the conversion of ZnS to ZnO by heating: 2ZnS(s) + 30₂(g) →2ZnO(s) +2SO2(g) Calculate the heat (in kJ) associated with roasting 1 gram of zinc sulfide. kJ AH = -879 kJ
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