Semester Two Final Examinations, 2021
CHEM1100 Chemistry 1
CHEM1100 CHEMISTRY 1 DATA SHEET
R  8.314 J K 1 mol1  0.08206 L atm K 1 mol1
0 C = 273 K
m–2
1 bar = 10 Pa
1 atm = 101.3 kPa
1 Pa = 1 N
1J=1Nm
1 V = 1 J C–1
Faraday Constant F = 96,485 C mol–1
Density of water = 1.00 g cm–3
Freezing/boiling point constant (water), Kf = 1.86 K kg mol-1 Kb = 0.512 K kg mol-1
5
Kw = 1 × 10–14
U  q  w
q  mCΔT
x1 
Kc 
ln
n1
n1  n2
[C]c [D]d
[A]a [B]b
pKw = pH + pOH
pV  nRT
pi = xipT
At
u
pKa + pKb = pKw
w   pext V
H  U  ( pV )
cgas = kH pgas
3RT
M
p2 H vap  1 1 

  
p1
R  T2 T1 
∆𝑇𝑓 = 𝐾𝑓 𝑏
∆𝑇𝑏 = 𝐾𝑏 𝑏
Standard reduction potentials:
Na+(aq) + e→ Na(s)
2 H2O + 2 e
→ H2 + 2 OHZn2+(aq) + 2 e→ Zn(s)
Cd2+(aq) + 2 e→ Cd(s)
2+
Ni (aq) + 2 e
→ Ni(s)
Sn2+(aq) + 2 e→ Sn(s)
2+
Pb (aq) + 2 e
→ Pb(s)
AgCl + e→ Ag(s) + ClCu2+(aq) + 2 e→ Cu(s)
Fe3+(aq) + e→ Fe2+(aq)
+
Ag (aq) + e
→ Ag(s)
O2(g) + 4 H+ + 2 e- → 2 H2O
Cl2(g) + 2 e→ 2 Cl-(aq)
S2O82-(aq) + 2 e→ 2 SO42-(aq)
Eθ = -2.714 V
Eθ = -0.828 V
Eθ = -0.763 V
Eθ = -0.403 V
Eθ = -0.250 V
Eθ = -0.136 V
Eθ = -0.126 V
Eθ = +0.222 V
Eθ = +0.337 V
Eθ = +0.771 V
Eθ = +0.799 V
Eθ = +1.229 V
Eθ = +1.360 V
Eθ = +2.010 V
Quadratic equation: ax2 + bx + c = 0 are given by
x=
- b ± √b2 - 4ac
2a
The context of the problem will determine which of the two solutions is appropriate.
Page 1 of 2
Semester Two Final Examinations, 2021
CHEM1100 Chemistry 1
1
2
H
1.008
3
He
The Periodic Table of the Elements
4
5
6
7
Li
Be
B
C
N
6.941
11
9.012
12
10.81
13
12.011
14
14.007
15
8
O
15.999
16
9
4.003
10
F
Ne
18.998
17
20.179
18
Na
Mg
Al
Si
P
S
Cl
Ar
22.989
19
24.305
20
21
22
23
24
25
26
27
28
29
30
26.981
31
28.085
32
30.974
33
32.066
34
35.453
35
39.948
36
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
39.098
37
40.078
38
44.955
39
47.88
40
50.941
41
51.996
42
54.938
43
55.847
44
58.933
45
58.69
46
63.546
47
65.39
48
69.72
49
72.61
50
74.922
51
78.96
52
79.904
53
83.80
54
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
I
Xe
Rb
Sr
Y
Zr
Nb
Mo
Tc
85.468
55
87.62
56
88.906
57
91.224
72
92.906
73
95.94
74
(98)
75
Cs
Ba
La
Hf
Ta
W
Re
132.905 137.33 138.905 178.49 180.948 183.85 186.207
87
88
89
104
105
106
107
Fr
(223)
Ra
Ac
Rf
101.07 102.905 106.42 107.868 112.41
76
77
78
79
80
Os
Ir
190.2
108
192.22
109
Pt
Au
Hg
114.82 118.710 121.757
81
82
83
Tl
195.08 196.966 200.59 204.383
110
111
112
113
Te
127.6
84
126.904 131.29
85
86
Pb
Bi
Po
At
Rn
207.2
114
208.980
115
(209)
116
(210)
117
(222)
118
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
Nh
Fl
Mc
Lv
Ts
Og
58
59
60
61
62
63
64
65
66
67
68
69
70
71
Ce
Pr
Nd
Gd
Tb
Dy
Ho
Er
Tm
Yb
226.025 227.028
140.12 140.908 144.24
90
91
92
Th
Pa
U
Pm
Sm
Eu
(145)
93
150.36
94
151.96
95
157.25 158.925 162.50 164.930 167.26 168.934 173.04
96
97
98
99
100
101
102
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
(244)
(243)
(247)
(247)
(251)
(252)
(257)
(258)
(259)
(260)
Np
232.038 231.036 238.029 237.048
Page 2 of 2
Lu
174.97
103