
Interpretation:
The value of equilibrium constant at given temperatures is to be determined with given
values.
Concept introduction:
The enthalpy of reaction is calculated by the expression as follows:
Here,
The value of
for the given reaction is calculated by using the relation given below:
Here,
is the standard change in entropy,
The value of K is calculated by using the relation given below:
Here K is the equilibrium constant, R is the gas constant, T is the temperature, and
is the standard change in energy.
The value of

Answer to Problem 97AP
Solution: K at
is
and at
is
Explanation of Solution
Given information: The given reaction is
The value of
is
The value of
is
The value of
from appendix 2 is
The value of
from appendix 2 is
The value of
from appendix 2 is
The value of
for the given reaction is calculated by using the relation given below:
Here,
is the standard change in enthalpy,
is the standard change in enthalpy of CO,
is the standard change in enthalpy of
and
is the standard change in enthalpy of
Substitute
for
for
Therefore, the value of
for the given reaction is
The value of
for the given reaction is calculated by using the relation given below:
Here,
is the standard change in entropy,
is the standard entropy of CO,
is the standard entropy of
is the standard entropy of
Substitute
for
for
Therefore, the value of
for the given reaction is
The value of
The value of
at
is as follows:
Substitute
for
for
The value of K is calculated by using the relation given below:
Here K is the equilibrium constant, R is the gas constant, T is the temperature, and
is the standard change in energy.
Substitute
for
for
The value of
Substitute
for
for
The value of K is calculated by using the relation given below:
Here, K is the equilibrium constant, R is the gas constant, T is the temperature, and
is the standard change in energy.
Substitute
for
for
Therefore, the value of equilibrium constant K at
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Chapter 24 Solutions
Chemistry
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