3.Based on the reactions:1. 2H,S) + 302 (g)→2SO2 (g) + 2H;OAH1 =- 1035.94 kJ2. 2SO3 (2) →2S02 (2) + O2 (g)AH2 =+197.78 kJ3. 2H,Sg) + O2 (g)→2S¾) + 2H;O[g)AH3 = +110.02 kJUse Hess's law to calculate H for:2S(5) + 302 (2)→2SO3 (g)

Hess's law Hess's law states that if a reaction takes place by more than one route and the initial…

3. Based on the reactions: 1. 2H;S(g) + 302 )→2SO2 (2) + 2H,0g AH1 =- 1035.94 kJ 2. 2SO3 (2) →2SO2 (2) + 02 (2) AH2 = +197.78 kJ 3. 2H,Sg) + 02 g)→2S) + 2H;0g) AH3 = +110.02 kJ Use Hess's law to calculate AH for: 2S(s) + 302 (g)→2SO3 (g)

3. Based on the reactions: 1. 2H;S(g) + 302 )→2SO2 (2) + 2H,0g AH1 =- 1035.94 kJ 2. 2SO3 (2) →2SO2 (2) + 02 (2) AH2 = +197.78 kJ 3. 2H,Sg) + 02 g)→2S) + 2H;0g) AH3 = +110.02 kJ Use Hess's law to calculate AH for: 2S(s) + 302 (g)→2SO3 (g)

World of Chemistry

7th Edition

ISBN:9780618562763

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter10: Energy

Section: Chapter Questions

Problem 38A

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3.
Based on the reactions:
1. 2H,S) + 302 (g)→2SO2 (g) + 2H;O
AH1 =- 1035.94 kJ
2. 2SO3 (2) →2S02 (2) + O2 (g)
AH2 =+197.78 kJ
3. 2H,Sg) + O2 (g)→2S¾) + 2H;O[g)
AH3 = +110.02 kJ
Use Hess's law to calculate H for:
2S(5) + 302 (2)→2SO3 (g)

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