Question

A spontaneous process is unidirectional, real and
A)irreversible
B)reversible
C)both a and b
D)none of these

Answer 1

Answer:

IRREVERSIBLE WOULD BE THE CORRECT ANSWER...

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Answer 2

Spontaneous Process

The correct answer is: (C) both a and b.

Explanation:

• Spontaneous process is the process which occurs by its own without any intervention of any other forces.
• It can be fast as well as it can be slow.
• Equation of spontaneous process is: ΔG= ΔH ± TΔS.
• The ΔG of spontaneous process is negative.
• There are two types of spontaneous process that is reversible and irreversible.
• The main difference between reversible and irreversible is that reversible reaction can be reversed with the help of external forces applied whereas irreversible process cannot be reversed by any applied forces, once done cannot be ever reversed.