Answered: Does a negative ΔHᵣₓₙ mean that the…

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter9: Energy For Today

Section: Chapter Questions

Problem 11E: Define each of the following terms: a. heat b. energy c. work d. system e. surroundings f....

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Does a negative ΔHᵣₓₙ mean that the heat of reaction can be thought of as a reactant or as a product?

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Introduction-

Enthalpy is a thermodynamic property. It is an extensive property. It is denoted by H. It is sum of internal energy and product of pressure and volume.

H = E + PV

H is enthalpy, E is internal energy of the system, P is pressure of the system and V is the volume of the system.

The difference in the enthalpy of products and reactants gives the enthalpy of reaction. Unit is KJmol^-1.

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