Chemistry
4th Edition
ISBN: 9780078021527
Author: Julia Burdge
Publisher: McGraw-Hill Education
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Chapter 5, Problem 28QP
Interpretation Introduction
Interpretation:
The heat released in the formation of 1.26×104 g of nitrogen dioxide in the given reaction is to be calculated.
Concept Introduction:
Sign of enthalpy change depends upon the heat change of the system. If the system involves absorption of heat, then the sign of enthalpy change is positive, and if the system involves release of heat, then the sign of enthalpy change is negative.
The enthalpy change associated with the given mass of compound is calculated by the formula,
ΔH=Moles of compound in the system×Enthalpy change of the reactionMoles of compound in thermochemical equation
Moles of compound=Mass of CompoundMolar mass of Compound
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Chapter 5 Solutions
Chemistry
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