Thermodynamics, Statistical Thermodynamics, & Kinetics
Thermodynamics, Statistical Thermodynamics, & Kinetics
3rd Edition
ISBN: 9780321766182
Author: Thomas Engel, Philip Reid
Publisher: Prentice Hall
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Chapter 4, Problem 4.15CP
Interpretation Introduction

Interpretation:

A method to calculate ΔH0R at different temperature from the given ΔH0f for thechemical compounds involved in the reaction needs to be depicted.

Concept Introduction:

Enthalpy change of a reaction is the amount of heat absorbed or evolved during the reaction which takes place at constant pressure conditions.

The standard enthalpy change for a reaction ΔH0R measured at 298 K and 1 atm is given in terms of the difference in the standard enthalpy of formation of the products and that of reactants.

i.e. ΔH0R = npΔH0f(products) - nrΔH0f(reactants)  ------(1)

Here, np and nr are the number of moles of the products and reactants.

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Thermodynamics, Statistical Thermodynamics, & Kinetics

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