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(a)
Interpretation: From the given data of
Concept Introduction:
Gibbs free energy: The amount of energy that is required to perform the maximum amount of reversible work by a system at constant temperature and pressure.
Gibbs free energy change of formation is the change of Gibbs free energy that is needed for the formation of 1 mole of the substance in its standard state from its constituent elements.
Relation between
Relation between
Where,
(a)
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Answer to Problem 18.27QP
Explanation of Solution
The given reaction is:
Given:
Substituting these values in the formula shown below:
Therefore,
Converting
Therefore,
Given:
Converting the temperature from
It is known that
This expression is rearranged as follows to find
Therefore,
From the given data of
(b)
Interpretation: From the given data of partial pressures,
Concept Introduction:
Partial pressure: The hypothetical pressure occupied by a gas as alone from the entire volume of the original mixture of gases at the same temperature is said to be the partial pressure of that gas.
Gibbs free energy: The amount of energy that is required to perform the maximum amount of reversible work by a system at constant temperature and pressure.
Relation between
Where,
The equilibrium constant for gaseous reactions can be either as
(b)
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Answer to Problem 18.27QP
Explanation of Solution
The given reaction is:
Given data:
Finding
Therefore,
Given:
Converting the temperature from
It is known that
The equilibrium constant in the expression of
Finding
Therefore,
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Chapter 18 Solutions
General Chemistry
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