The value of is calculated to be ΔG° = 3.4kJ/mol.
The energy that a substance has available for utilization in a chemical reaction or transformation is known as the Gibbs free energy. Things frequently change into other things that have less Gibbs free energy.
A spontaneous reaction, with a negative G-factor, occurs when sodium chloride and water are combined. The given reaction is:
H₂(g) + I₂(s) → 2HI(g)
substance ΔGf°
H2 0
I2 0
HI 1.7
we know that,
ΔG° = ∑ΔG(product) - ∑ΔG(reactant)
= 2*1.7 -(0)
ΔG° = 3.4kJ/mol
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