# What conditions make DeltaG always positive?

##### 1 Answer
Sep 9, 2017

If ΔH is positive and ΔS is negative

#### Explanation:

If reaction is endothermic (ΔH is +ve), and entropy decreases (ΔS is -ve), then ΔG must be +ve and reaction is reactant-favored in the standard state.

Where Q is the reaction quotient at that moment in time.