Useful Information to be provided on Final Exam: o
Psolution =  solvent Psolvent
 Pvap 1  H vap  1 1 
ln 

    Pvap 2 
R  T 2 T1 


R = 8.314 J/K·mol R = 0.082057 L·atm/K·mol Psolution =  A PAo   B PBo 
T f = k f msolute 
Tb = kb msolute 
 = MRT Integrated Rate Laws: 0 Order: [A] = ‐kt + [A]0 1st Order: ln[A] = ‐kt + ln[A]0 2nd Order: 1
1
 kt 
[A]
[A]0
t½ = [A]0
2k
t½ = ln 2
k
t½ = 1
k [A]0
[H  ]  K a [HA]O
[OH  ]  K b [B]O
pH   log[H  ]
[H  ]  10 pH
k  Ae

Ea
RT
K p =K eq (RT)∆n
-b± b2 -4ac
x=
2a
Standard Reduction Potentials (table 18.1) [H+ ]=K a
[HA]
[A - ]
[A  ]
pH = pK a + log
[HA]
[B]
[OH- ]=K b
[BH+ ]
[BH ]
pOH = pK b + log
[B]
Ka Kb  K w
∆Go =Ho -TSo
o
∆G =-RTlnK
G =-nFE
o
1 A = 1 C/s
o
.0591
log Q
n
(25°C)
.0591

log K
n
E = Eo Eo
F=96485 C/mol e But wait, there’s more!  N 
ln 
   kt  N0 
c = 2.9979 × 108 m/s
1 V = 1 J/C
H+ 
eq
%diss=
×100%
HA 0
me = 9.109383 × 10‐28 g –or– 5.4858× 10‐4 amu mp = 1.6726218 × 10‐24 g –or– 1.0072765 amu mn = 1.6749274 × 10‐24 g –or– 1.0086649 amu 

E=(m)c2 Chem 101B Spring 2015
Final Exam Expectations
Chapters 10 – 18 (~70% of Final Exam)
Problems on the final exam will be taken directly from Exams 1 – 4.
Note: problems involving species/calculations may have different species/numbers.
Majority of problems from chapters 10 – 18 will be selected from these types:
 Cooling/heating curve interpretation (10.8)
 interpret properties based on intermolecular forces (10.1-2)
 Use Clausius–Clapeyron equation—solve for unknown variable (10.8)
 Use osmotic pressure formula (11.6)
 determine rate law and rate constant from initial rates data (12.3)
 Kp from Kp or vice versa (13.3)
 Application of le Chatelier’s principle e.g. what happens when… (13.7)
 identify acid/conjugate base pair (14.1)
 calculate percent dissociation of a weak acid (14.5)
 calculate pH of a weak acid (14.5)
 calculate pH of a weak base (14.6)
 metallic vs nonmetallic oxides and pH (14.10)
 pH of a buffer solution (15.2)
 approx. pH at equiv point of titration: SA/SB, WA/SB, WB/SA (15.4)
 calculate Ksp from solubility (14.1)
 calculate solubility from Ksp (14.1)
 calculate solubility from Ksp with a common ion (14.1)
 Determine temperature of a change given H° and S° (17.3)
 Spontaneity scenarios (H and S sign) (17.4)
 Calculate G given T, H and S (17.4)
 Determine #electrons transferred in a balanced redox reaction (4.9, 18.1)
 Balance redox in acid media (18.1)
 Determine ° and G° of a spontaneous voltaic cell given overall reaction
or half reactions or complete cell description (18.3-4)
Chapters 19, 21 (~30% of Final Exam)
Questions like those provided on study questions Ch19, 21. Also, see old exam
for wording/more examples. Sections covered include:
Chapter 19: 19.1-19.6
Chapter 21: 21.3 – 21.6