World of Chemistry
7th Edition
ISBN: 9780618562763
Author: Steven S. Zumdahl
Publisher: Houghton Mifflin College Div
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Question
Chapter 10.3, Problem 3RQ
Interpretation Introduction
Interpretation: The Hess’s law and its uses need to be explained.
Concept introduction: The change in enthalpy at constant pressure is equal to the heat that flows as a form of energy.
Here, p indicates that the process occurred in the condition of constant pressure.
Expert Solution & Answer
Answer to Problem 3RQ
Hess’s law indicates that enthalpy is a state function.
Explanation of Solution
Hess's law states that the enthalpy change in moving from a set of reactants to a set of products does not depend on the number of steps in the reaction. So, enthalpy change does not dependent of the pathway of the process.
Hess's law helps to calculate heat of reaction which is difficult to measure in calorimeter directly.
Conclusion
In a given process, enthalpy change does not depend of the pathway.
Chapter 10 Solutions
World of Chemistry
Ch. 10.1 - Prob. 1RQCh. 10.1 - Prob. 2RQCh. 10.1 - Prob. 3RQCh. 10.1 - Prob. 4RQCh. 10.1 - Prob. 5RQCh. 10.1 - Prob. 6RQCh. 10.1 - Prob. 7RQCh. 10.2 - Prob. 1RQCh. 10.2 - Prob. 2RQCh. 10.2 - Prob. 3RQ
Ch. 10.2 - Prob. 4RQCh. 10.2 - Prob. 5RQCh. 10.2 - Prob. 6RQCh. 10.3 - Prob. 1RQCh. 10.3 - Prob. 2RQCh. 10.3 - Prob. 3RQCh. 10.3 - Prob. 4RQCh. 10.3 - Prob. 5RQCh. 10.4 - Prob. 1RQCh. 10.4 - Prob. 2RQCh. 10.4 - Prob. 3RQCh. 10.4 - Prob. 4RQCh. 10.4 - Prob. 5RQCh. 10.4 - Prob. 6RQCh. 10.4 - Prob. 7RQCh. 10 - Prob. 1ACh. 10 - Prob. 2ACh. 10 - Prob. 3ACh. 10 - Prob. 4ACh. 10 - Prob. 5ACh. 10 - Prob. 6ACh. 10 - Prob. 7ACh. 10 - Prob. 8ACh. 10 - Prob. 9ACh. 10 - Prob. 10ACh. 10 - Prob. 11ACh. 10 - Prob. 12ACh. 10 - Prob. 13ACh. 10 - Prob. 14ACh. 10 - Prob. 15ACh. 10 - Prob. 16ACh. 10 - Prob. 17ACh. 10 - Prob. 18ACh. 10 - Prob. 19ACh. 10 - Prob. 20ACh. 10 - Prob. 21ACh. 10 - Prob. 22ACh. 10 - Prob. 23ACh. 10 - Prob. 24ACh. 10 - Prob. 25ACh. 10 - Prob. 26ACh. 10 - Prob. 27ACh. 10 - Prob. 28ACh. 10 - Prob. 29ACh. 10 - Prob. 30ACh. 10 - Prob. 31ACh. 10 - Prob. 32ACh. 10 - Prob. 33ACh. 10 - Prob. 34ACh. 10 - Prob. 35ACh. 10 - Prob. 36ACh. 10 - Prob. 37ACh. 10 - Prob. 38ACh. 10 - Prob. 39ACh. 10 - Prob. 40ACh. 10 - Prob. 41ACh. 10 - Prob. 42ACh. 10 - Prob. 43ACh. 10 - Prob. 44ACh. 10 - Prob. 45ACh. 10 - Prob. 46ACh. 10 - Prob. 47ACh. 10 - Prob. 48ACh. 10 - Prob. 49ACh. 10 - Prob. 50ACh. 10 - Prob. 51ACh. 10 - Prob. 52ACh. 10 - Prob. 53ACh. 10 - Prob. 54ACh. 10 - Prob. 55ACh. 10 - Prob. 56ACh. 10 - Prob. 57ACh. 10 - Prob. 58ACh. 10 - Prob. 59ACh. 10 - Prob. 60ACh. 10 - Prob. 61ACh. 10 - Prob. 62ACh. 10 - Prob. 63ACh. 10 - Prob. 64ACh. 10 - Prob. 65ACh. 10 - Prob. 1STPCh. 10 - Prob. 2STPCh. 10 - Prob. 3STPCh. 10 - Prob. 4STPCh. 10 - Prob. 5STPCh. 10 - Prob. 6STPCh. 10 - Prob. 7STPCh. 10 - Prob. 8STPCh. 10 - Prob. 9STPCh. 10 - Prob. 10STPCh. 10 - Prob. 11STP
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