(a)
Interpretation:
When Gibbs free energies of formation of
Concept introduction:
The equilibrium constant can be calculated by using following formula,
(a)

Explanation of Solution
The given reaction is shown below,
The equilibrium constant can be calculated by using following formula,
Therefore,
K is
(b)
Interpretation:
When the mass of graphite and water are
(b)

Explanation of Solution
The given reaction is shown below,
The reaction can be expressed as follow,
The reaction tells that graphite reaction with water gives carbon monoxide and three molecules of hydrogen.
Number of moles of carbon is calculated as follows,
Number of moles of water is calculated as follows,
According to the mole calculation, water is the limiting reagent.
Therefore, the concentration water is calculated as follows,
ICE table:
Initial concentration | 0 | 0 | |
Change | |||
At equilibrium |
Kc of the reaction is calculated as follows,
Where,
The equilibrium concentration of
The equilibrium concentration of
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Chapter 5 Solutions
ACHIEVE/CHEMICAL PRINCIPLES ACCESS 2TERM
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