1. What is the connection between Hess's law and the fact that enthalpy is a state function? 2. Given the following data N +0. → 2NO, 2(g) 2(g) AH + 180.7 kJ (9) 2NO +0₂(g) AH =- 113.1 kJ → 2NO, 2(g) (9) 2N₂0 (9) ΔΗ =- 163.2 kJ → 2N +0, 2(g) 2(g) use Hess's law to calculate AH for the reaction + NO 3NO (g) →Ngo 2 (g) 2(g)
1. What is the connection between Hess's law and the fact that enthalpy is a state function? 2. Given the following data N +0. → 2NO, 2(g) 2(g) AH + 180.7 kJ (9) 2NO +0₂(g) AH =- 113.1 kJ → 2NO, 2(g) (9) 2N₂0 (9) ΔΗ =- 163.2 kJ → 2N +0, 2(g) 2(g) use Hess's law to calculate AH for the reaction + NO 3NO (g) →Ngo 2 (g) 2(g)
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 78QRT
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