7.6 Gibb's Free Energy Flashcards
1
Q
Gibb’s free energy (G) is ______ (state/process) function
A
state function
2
Q
change in Gibb’s free energy equation
A
ΔG = ΔH – TΔS
T = temperature in kelvins ΔH = change in enthalpy ΔS = change in entropy
3
Q
Exergonic reaction
A
the system releases energy (ΔG < 0)
spontaneous
4
Q
Endergonic reaction
A
the system absorbs energy (ΔG > 0)
nonspontaneous
5
Q
If ΔG = 0, the system is _________
A
in a state of equilibrium; ΔH = TΔS
6
Q
effect of signs of ΔH and ΔS on spontaneity
A
7
Q
standard free energy change equation
A
8
Q
If Q < Keq
A
the reaction will spontaneously proceed forward until equilibrium is reached
9
Q
If Q > Keq
A
the reaction will spontaneously proceed in the reverse direction until equilibrium is reached
10
Q
If Q = Keq
A
the reaction is at equilibrium
