6.5 Gibbs Free Energy Flashcards
1
Q
What is Gibbs Free Energy?
A
energy that is available to do useful work from a chemical reaction
2
Q
What is gibbs free energy used for?
A
to determine if a reaction will be spontaneous
3
Q
When will a reaction always be spontaneous?
A
when delta H is negative and delta S is positive
4
Q
When will a reaction always be nonspontaneous?
A
when delta H is positive and delta S is negative
5
Q
What does a negative delta G indicate?
A
reaction is spontaneous in the forward direction
6
Q
What does delta G equalling zero mean?
A
reaction is at equilibrium
7
Q
What does a positive delta G indicate?
A
reaction is nonspontaneous in the forward direction
