Concept explainers
a)
Interpretation: Standard enthalpy change has calculated for given reaction.
Concept introduction
Standard Enthalpy change (
a)

Answer to Problem 77E
Explanation of Solution
Given data
Standard state for given compound in the reaction are,
Substance and state |
To calculate standard enthalpy change.
The balanced equation is,
In generally,
Here,
=
=
b)
Interpretation: Standard enthalpy change has calculated for given reaction.
Concept introduction
Standard Enthalpy change (
b)

Answer to Problem 77E
Explanation of Solution
Given data
Standard state for given compound in the reaction are,
Substance and state |
The standard state of ammonia gas, oxygen, methane, hydrogen cyanide and water vapour are given. By substituting the values in the standard enthalpy change equation the standard enthalpy change for the reaction calculated as
To calculate standard enthalpy change.
The balanced equation is,
=
=
The standard state of some compounds which present in the reaction are given. By substituting the values in the standard enthalpy change equation, the standard enthalpy change for the reaction calculated as
c)
Interpretation: Standard enthalpy change has calculated for given reaction.
Concept introduction
Standard Enthalpy change (
c)

Answer to Problem 77E
Explanation of Solution
Given data
Standard state for given compound in the reaction are,
Substance and state |
|
To calculate standard enthalpy change.
The balanced equation is,
=
=
The standard state of some compounds which present in the reaction are given. By substituting the values in the standard enthalpy change equation, the standard enthalpy change for the reaction calculated as
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Chapter 7 Solutions
EBK CHEMISTRY: AN ATOMS FIRST APPROACH
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