(a)
Interpretation:
For the formation of ammonia reaction the temperature has to be calculated at which
Concept introduction:
Free energy (or) entropy change is the term that is used to explain the total energy content in a thermodynamic system that can be converted into work. The free energy is represented by the letter G. All spontaneous process is associated with the decrease of free energy in the system. The equation given below helps us to calculate the change in free energy in a system.
Where,
Entropy is a thermodynamic quantity, which is the measure of randomness in a system. The term entropy is useful in explaining the spontaneity of a process. For all spontaneous process in an isolated system there will be an increase in entropy. Entropy is represented by the letter ‘S’. It is a state function. The change in entropy gives information about the magnitude and direction of a process. The entropy changes associated with a phase transition reaction can be found by the following equation.
Where,
(b)
Interpretation:
For the given ammonia formation reaction the
Concept introduction:
Free energy (or) entropy change is the term that is used to explain the total energy content in a thermodynamic system that can be converted into work. The free energy is represented by the letter G. All spontaneous process is associated with the decrease of free energy in the system. The equation given below helps us to calculate the change in free energy in a system.
Free energy change
Where,
(c)
Interpretation:
The reason that why industrial ammonia formation process requires lower
Concept introduction:
Equilibrium pressure
Where,
R is the universal gas constant
T is the temperature
Le Chatelier’s principle: When a system at equilibrium is disturbed, the system will adjust itself to nullify the effect and maintain the equilibrium.
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