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2. Calculate AHº for the reaction in which zinc sulfide ore is roasted to obtain zinc oxide. ZnS(s) +0,(g)- ZnO(s) + SO,(g) Use the following information. Zn(s) + 0,(g) → ZnO(s) AH° = -348.0 kJ/mol AH = -203.0 kJ/mol AH = -296.8 kJ/mol Zn(s) + S(s) ZnS(s) S(s) + 0,(g) SO,(g) - %3!

2. Calculate AHº for the reaction in which zinc sulfide ore is roasted to obtain zinc oxide. ZnS(s) +0,(g)- ZnO(s) + SO,(g) Use the following information. Zn(s) + 0,(g) → ZnO(s) AH° = -348.0 kJ/mol AH = -203.0 kJ/mol AH = -296.8 kJ/mol Zn(s) + S(s) ZnS(s) S(s) + 0,(g) SO,(g) - %3!

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section18.5: Entropy Changes And Spontaneity
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2. Calculate AHº for the reaction in which ziņc sulfide ore is roasted to obtain zinc oxide. ZnS(s) +0,(g) –→ ZnO(s) + SO,(g) Use the following information. Zn(s) + 0,(g) → ZnO(s) AH° = -348.0 kJ/mol Zn(s) + S(s) → ZnS(s) S(s) + 0,(g) –→ SO,(g) AH = -203.0 kJ/mol AH = -296.8 kJ/mol
Transcribed Image Text:2. Calculate AHº for the reaction in which ziņc sulfide ore is roasted to obtain zinc oxide. ZnS(s) +0,(g) –→ ZnO(s) + SO,(g) Use the following information. Zn(s) + 0,(g) → ZnO(s) AH° = -348.0 kJ/mol Zn(s) + S(s) → ZnS(s) S(s) + 0,(g) –→ SO,(g) AH = -203.0 kJ/mol AH = -296.8 kJ/mol
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