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Final

CHEM 1050 Study Guide - Final Guide: Electrochemistry, University Of Houston, Thermodynamics


Department
Chemistry
Course Code
CHEM 1050
Professor
Dennis Baker
Study Guide
Final

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Equation List Chem 1050 Exam
Thermodynamics
q = mC ΔT
w = -P ΔV = - ΔnRT
ΔU = q(system) + w(system)
ΔU = ΔH - ΔnRT
ΔS = ΔH/T
Δ= ΔH - S
ΔG° = -RTlnk(eq)
ΔG = ΔG° +RTlnQ
ΔG = RTln(Q/k)
Bomb Calorimeter (constant volume)
ΔH = ΔU + ΔnRT
ΔU = q
Coffee Cup Calorimeter (constant pressure)
ΔU = q +w
ΔH = q
Electrochemistry
ΔG° = -nFE°
ΔG° = -RTlnk(eq)
ΔG = RTln(Q/k)
E° = (RT/nF)lnk(eq)
E = E° - (RT/nF)lnQ
E = (-RT/nF) ln([anode]/[cathode])
E = cathode - anode
Q = [products]/[reactants]
Charge = It
m = MIt/Fn
*Volts is in J/C
Kinetics
Order
Rate Law
Integrated Rate Law
Straight Line Plot
(slope = -k)
Half-Life
Units
0
= k
[A]t = -kt + [A]0
[A] vs t
=[A]0/2k
1
= k[A]
ln ([A]t / [A]0) = -kt
ln[A] vs t
=ln(2)/k
s-1
2
= k[A]2
1/[A]t = kt + 1/[A]0
1/[A]t vs t
=1/k[A]0
M-1LS-1
Arrhenius
k = Ae-Ea/RT
Straight line plot = ln k vs 1/t
Slope = -Ea/R
For 2 Temperatures
ln (k2/k1) = (Ea/R)(ΔT/T2*T1)
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