(a)
Interpretation:
The enthalpy change for the given
Concept Introduction :
Hess’s law states that the overall change in enthalpy for the solution is the sum of all changes and is independent of the different phases or steps of a reaction.
An exothermic reaction is a reaction in which heat is released and enthalpy change for the reaction is negative.
(a)
Answer to Problem 89A
The enthalpy change for the reaction is
Explanation of Solution
The given chemical reaction is
The heat is released in the reaction; thus, it is an exothermic reaction and
The enthalpy change for the reaction
(b)
Interpretation:
The enthalpy change for the given chemical reactions is to be calculated.
Concept Introduction :
Hess’s law states that the overall change in enthalpy for the solution is the sum of all changes and is independent of the different phases or steps of a reaction.
An exothermic reaction is a reaction in which heat is released and enthalpy change for the reaction is negative.
(b)
Answer to Problem 89A
The enthalpy change for the reaction is
Explanation of Solution
The given chemical reaction is
The heat is released in the reaction; thus, it is an exothermic reaction and
The enthalpy change for the reaction
(c)
Interpretation:
The enthalpy change for the given chemical reactions is to be calculated.
Concept Introduction : Hess’s law states that the overall change in enthalpy for the solution is the sum of all changes and is independent of the different phases or steps of a reaction.
An exothermic reaction is a reaction in which heat is released and enthalpy change for the reaction is negative.
(c)
Answer to Problem 89A
The enthalpy change for the reaction is
Explanation of Solution
The given chemical reaction is:
The heat is released in the reaction; thus, it is an exothermic reaction and
The enthalpy change for the reaction
Chapter 17 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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