Interpretation:
The sign of
Concept introduction:
Exothermic reaction: A reaction is exothermic if heat is released in the
Endothermic reaction: A reaction is endothermic if heat is absorbed in the chemical reaction.
Answer to Problem 73A
For endothermic reaction,
For exothermic reaction,
Explanation of Solution
A reaction is endothermic if enthalpy of products is greater than reactants and exothermic when enthalpy of products is less than reactants.
As
Therefore,
The sign of
Chapter 15 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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