wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

What is the value of G?


Open in App
Solution

Gibbs free energy:

  • The alphabet ‘G’ denotes the Gibbs free energy.
  • Gibbs free energy is that thermodynamic quantity the decrease in whose value during a process is equal to the maximum possible useful work that can be obtained from the system.
  • Mathematically it can be represented as follows:
    G=H-TS; where G is the change in Gibbs free energy, T is the temperature,H is the change in enthalpy, Schange in entropy.

The usefulness of Gibbs free energy:

  • The value of change in Gibbs free energy helps us to predict the nature of the reaction.

G=-ve,reactionisspontaneousG=+ve,reactionisnon-spontaneousG=0,reactionisinequilibrium


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
The Equation of State
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon