Concept explainers
Interpretation:
Standard enthalpy of formation of a given compound is to be described.
Concept introduction:
Hess’s law : According to this law, total enthalpy change of a reaction is the sum of all the reactions regardless of the steps or stages of reaction.
Answer to Problem 89A
The standard enthalpy (heat) of formation (
Explanation of Solution
Hess’s law allows to calculate the unknown
The product of this equation is
Standard enthalpies of formation are stated based on the following assumption: Elements in their standard state have a
Chapter 15 Solutions
Chemistry: Matter and Change
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