Second law of thermodynamic
define :
Entropy
Enthalpy
Heat
Work
Entropy
The second law of thermodynamics states
that the total entropy of an isolated system can never decreases over time, and
is constant if and only if all processes are reversible. Isolated systems
spontaneously evolve towards thermodynamic equilibrium, the state with maximum
entropy.
Hence, the correct option is (A).
&Key Points:-
For reversible process:
Final entropy (Sf) = Initial entropy (Si).
For irreversible process:
Final entropy (Sf) initial
entropy (Si).
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