Question

Free energy change for a reversible process is:

• A. $>0$
• B. $<0$
• C. equal to zero
• D. unpredictable

Answer 1

The correct option is C equal to zero

The Gibb's free energy change ($\Delta G$) is:

$\Delta G<0⟶$ Spontaneous process

$\Delta G>0⟶$ Non-spontaneous process

$\Delta G=0⟶$ Equilibrium process or reversible process