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Methanol is an attractive fuel source in a sustainable, green economy. The chemical energy inherent in methanol can be utilized in a multitude of reactions. Consider the following reaction for the decomposition of methanol: 2CH3ОH (@) — 2CH,(9) + 02(9) Use Hess' Law to calculate the enthalpy change (in kJ-mol·') of this reaction, given the following known thermochemical data: H20(f) → 1/202(g) + H2(g) CHĄ(g) + H20(g) → 3H2(g) + CO(g) 2H,(g) + CO(g) → CH3OH(f) H20(g) → H20(£) = 285.8 kJ · mol-1 = 206.1 kJ · mol-1 ΔΗ, дн, AH, = -128.3 k] • mol-1 AH, = -44.00 kJ · mol-1

Methanol is an attractive fuel source in a sustainable, green economy. The chemical energy inherent in methanol can be utilized in a multitude of reactions. Consider the following reaction for the decomposition of methanol: 2CH3ОH (@) — 2CH,(9) + 02(9) Use Hess' Law to calculate the enthalpy change (in kJ-mol·') of this reaction, given the following known thermochemical data: H20(f) → 1/202(g) + H2(g) CHĄ(g) + H20(g) → 3H2(g) + CO(g) 2H,(g) + CO(g) → CH3OH(f) H20(g) → H20(£) = 285.8 kJ · mol-1 = 206.1 kJ · mol-1 ΔΗ, дн, AH, = -128.3 k] • mol-1 AH, = -44.00 kJ · mol-1

Chemistry
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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2.1 Methanol is an attractive fuel source in a sustainable, green economy. The chemical energy inherent in methanol can be utilized in a multitude of reactions. Consider the following reaction for the decomposition of methanol: 2CH3ОН(?) -> 2CH4(9) + 02(9) Use Hess' Law to calculate the enthalpy change (in kJ-mol-1) of this reaction, given the following known thermochemical data: H20(?) → /202(9) + H2(g) CH4(g) + H20(g) 2H2(g) + CO(g) –→ CH30H(?) H20(g) → H20(€) ДН, 3D 285.8k]:mol-1 ДН, 3D 206.1 k] :mol-1 ΔΗ AHr 3H2 (g) + CO(g) ΔΗ -128.3 kJ · mol-1 ДН, 3 — 44.00 k] -тol-1
Transcribed Image Text:2.1 Methanol is an attractive fuel source in a sustainable, green economy. The chemical energy inherent in methanol can be utilized in a multitude of reactions. Consider the following reaction for the decomposition of methanol: 2CH3ОН(?) -> 2CH4(9) + 02(9) Use Hess' Law to calculate the enthalpy change (in kJ-mol-1) of this reaction, given the following known thermochemical data: H20(?) → /202(9) + H2(g) CH4(g) + H20(g) 2H2(g) + CO(g) –→ CH30H(?) H20(g) → H20(€) ДН, 3D 285.8k]:mol-1 ДН, 3D 206.1 k] :mol-1 ΔΗ AHr 3H2 (g) + CO(g) ΔΗ -128.3 kJ · mol-1 ДН, 3 — 44.00 k] -тol-1
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