Chemistry 192 • Exam Reference Information
Metal
Density
3
(g/cm )
Aluminum
2.702
Cadmium
8.65
Chromium
7.19
Cobalt
8.90
Metric Prefix
8.96
5.907
Gold
19.32
Iron
7.874
hectodeka-
Lead
11.35
<base unit>
Magnesium
1.738
deci-
13.546
centimilli-
Mercury
Nickel
Palladium
8.90
12.02
Silver
10.5
Tin
7.31
Titanium
4.54
Tungsten
19.35
Zinc
7.13
Zirconium
6.51
1018
1015
1012
109
106
ammonium
NH4+
cyanide
CN–
hydroxide
OH–
E
P
T
G
M
k
h
dk
gigamega-
Gallium
Ion Formula
Multiple
exapetatera-
Copper
Ion name
Symbol
kilo-
micronanopicofemtoatto-
perchlorate
ClO 4–
chlorate
ClO 3–
chlorite
ClO 2–
hypochlorite
ClO–
bromate
BrO3–
d
c
m
103
102
101
100
10-1
10-2
10-3
µ
n
p
f
a
10-6
10-9
10-12
10-15
10-18
iodate
IO3–
nitrate
NO3–
sulfate
SO 42–
carbonate
CO32–
hydrogen carbonate
(bicarbonate)
HCO3–
phosphate
PO 43–
hydrogen phosphate
HPO 42–
dihydrogen phosphate
H 2PO4–
Acid Name
Acid Formula
permanganate
MnO4–
hydrochloric acid
HCl
chromate
CrO42–
chloric acid
HClO 3
dichromate
Cr2O72–
chlorous acid
HClO 2
acetate
Selected Constants & Conversion Factors
NA = 6.02214 x 1023
DH2O = 1.00 g/mL
π = 3.14159
1.0000 lb = 453.59 g
1 lb = 16 oz (exact)
1.0000 mile = 1.6093 km
1 in = 2.54 cm (exact)
1 ft = 12 in (exact)
1 yd = 3 ft (exact)
1 gal = 4 qt (exact)
1 qt = 2 pt = 4 cups = 32 fl oz (exact)
1.0000 L = 1.0567 qt
Selected Formulas
D=
Absolute zero = 0 K = − 273.15 °C
€
C2H3O2– or CH3CO2–
m
V
r = radius
Vcylinder = π r2 h
Vbox = l • w • h = A • h
Vsphere = (4/3) π r3
Vcube = s3
diameter = 2 • radius
circumference = π • diameter
% error =
experimental − accepted
accepted
% Yield =
Actual Yield
× 100%
Theoretical Yield
T°C =
5
9
(T°F - 32)
T°F =
9
5
T°C + 32
TK = T°C + 273.15
× 100%
In the T°F ↔ T°C conversions, the
32 and the
and
are exact.