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Statement: The thermodynamics functions ...

Statement: The thermodynamics functions which determines the spontaneity of a process is the free energy. For a process to be spontaneous, the change in free energy must be negative.
Explanation:The change in free energy is related to the change in enthalpy and change in entropy. the change in entropy for a process must be always positive if it is spontaneous.

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Assertion (A): The thermodynamic factor which determines the spontaneity of a process is the free energy. For a process to be spontaneous the free energy must be-ve. Reason (R ) : The change in free energy is related to the change in a process must always be positive if its is spontaneous.

Assertion (A): The thermodynamic factor which determines the spontaneity of a process is the free energy. For a process to be spontaneous the free energy must be-ve. Reason (R ) : The change in free energy is related to the change in a process must always be positive if its is spontaneous.

Free energy is related to enthalpy and entropy changes as :

When spontaneous process occurs then free energy of a system

(A): For a process to be spontaneous, the change in free energy must be negative. (R): The change in entropy for a process must always be positive if it is spontaneous.

What is the free energy criterion for a process to occur spontaneously?

For a spontaneous chemical process, the free energy change is