## Thermodynamics

Jose Torres
Posts: 31
Joined: Fri Sep 28, 2018 12:22 am

### Thermodynamics

In Topic 5i it says "K is large when $\Delta G^{\circ}_{r^}$ for a reaction is strongly negative." What is this $\Delta G^{\circ}_{r^}$?

Riya Shah 4H
Posts: 65
Joined: Wed May 02, 2018 3:00 am

### Re: Thermodynamics

It equals to -RT ln K. So If Gr is negative, then ln K must be positive and therefore K > 1; products are favored at equilibrium.
If Gr is positive, then ln K must be negative and therefore K < 1; reactants are favored at equilibrium.