Equations and Variables Flashcards
1
Q
what does S stand for
A
entropy
2
Q
What does Delta G stand for
A
Gibbs free energy
3
Q
What does H stand for
A
Enthalpy
4
Q
∆G = −nFE
A
compares Gibbs free energy and cell potential
n = number of e- transferred
F = constant
5
Q
When do solutions tend to form
A
(∆H1 + ∆H2) ≤ ∆H3
6
Q
what is raolutes law
A
P_1 = 𝜒_1 P _1° X = mol frac of solvent P1 = vp of solvent in solution
7
Q
ΔT _b = K _b mi
A
boiling point elevation and freezing point lowering
8
Q
π = MRTi
A
osmotic pressure
R = 0.08206 L·atm/mol·K
9
Q
what is the rate law
A
rate = k[A]x[B]y
10
Q
rate = k [A ] ⟶ln ([A]_t /[A]_0) = −kt
A
First-order integrated rate law
11
Q
ln [A ]_t = −kt + ln [A]_0
A
Linear first-order rate law
12
Q
t_1/2 = 0.693 /k
A
first-order halflife
13
Q
t _1/2 = 1/(k[A ]_0)
A
second order halflife
14
Q
1 /[A]_t = kt + 1 /[A ]_0
A
linear second-order rate law
15
Q
what is the zeroth-order rate law
A
[A]_t = −kt + [A ]_0
