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Chemistry Reference Tables
Name Avogadro’s number Value 6.022 × 1023 particles/mole 0.0821 L atm mole K L mmHg 62.4 mole K 8.314 L kPa mole K 1.00 atm = 101.3 kPa = 760. mmHg = 760. torr 0°C or 273K 22.4 L Symbol Value

Gas constant (R)

Standard pressure Standard temperature Volume of 1 mole of any gas at STP Thermodynamic Constants

Heat of fusion of water Heat of vaporization of water

H f (water) Hv (water)

334 J/g 2,260 J/g
J for ice, 2.02 J for steam, g°C g°C J for liquid 4.18 g°C 2.05

Specific heat of water

C p (water)

Metal

Specific Heat

J g°C

Density (g/cm3)

Melting Point (°C)

Aluminum Copper Gold Iron Lead Magnesium Mercury Nickel Titanium Zinc

0.897 0.385 0.129 0.449 0.129 1.023 0.140 0.444 0.523 0.388

2.702 8.92 19.31 7.86 11.3437 1.74 13.5939 8.90 4.5 7.14

660 1083 1064 1535 328 649 —39 1455 1660 420

NCDPI Reference Tables for Chemistry (October 2006 form A-v1)

Page 1

Organic Substances
Name Density Melting Point (°C) Boiling Point (°C)

Ethanol (CH3CH2OH) Glucose (C6H12O6) Hexane (C6H14) Methane (CH4) Methanol (CH3OH) Sucrose (C12H22O11)

0.7893 g/cm 3 1.54 g/cm 3 0.6603 g/cm 3 0.716 g/L
0.7914 g/cm 3 1.27 g/cm 3

−119

79 Decompose 69

86
−95

−182
−94 86

−164
65 Decompose

Inorganic Substances
Name
*Density @ STP

Melting Point (°C)

Boiling Point (°C)

Chlorine Hydrogen Hydrogen chloride Hydrogen sulfide Nitrogen Nitrogen monoxide

3.21 g/L 0.0899 g/L 1.640 g/L 1.54 g/L 1.25 g/L 1.34 g/L 1.43 g/L 2.532 g/cm 3 2.165 g/cm 3 2.92 g/L 1.00 g/cm 3

−101

−35

−259
−115 −85

−253
−85 −61

−210
−164 −218 851 801
−73

−196
−152 −183 Decomposes 1413 −10 100

Oxygen Sodium carbonate Sodium chloride Sulfur dioxide
*Water (at 4°C)

0

NCDPI Reference Tables for Chemistry (October 2006 form A-v1)

Page 2

Formulas
D= m V

D = density

K = °C + 273
PV1 PV 1 = 2 2 T1 T2 Pt = P1 + P2 + P3 + ... M1V1 = M2V2
PV = nRT

m = mass
V = volume

K = Kelvin
P = pressure R = gas constant T = temperature

M = moles of solute liters of solution

q = mCpΔT q = mHv q = mH f

M = molarity n = number of moles q = quantity of heat energy Cp = specific heat Hv = heat of vaporization H f = heat of fusion K w = equilibrium constant for the ionization of water

pH + pOH = 14
pH = − log[H +] pOH = − log[OH −] K w = [H +][OH −] = 1 × 10−14 [H +] = 10 −pH [OH −] = 10−pOH

NCDPI Reference Tables for Chemistry (October 2006 form A-v1)

Page 3

PERIODIC TABLE
1 IA
1 H
Hydrogen

1.008 3 Li
Lithium

2 IIA
4 Be
Beryllium

6.941 11 Na
Sodium

9.012 12 Mg
Magnesium

22.99 19 K
Potassium

24.31 20 Ca
Calcium

3 IIIB
21 Sc
Scandium

4 IVB
22 Ti
Titanium

5 VB
23 V
Vanadium

6 VIB
24 Cr
Chromium

7 VIIB
25 Mn
Manganese

8 VIIIB
26 Fe
Iron

9 VIIIB
27 Co
Cobalt

39.10 37 Rb
Rubidium

40.08 38 Sr
Strontium

44.96 39 Y
Yttrium

47.88 40 Zr
Zirconium

50.94 41 Nb
Niobium

51.99 42 Mo
Molybdenum

54.94 43 Tc
Technetium

55.85 44 Ru
Ruthenium

58.93 45 Rh
Rhodium

85.47 55 Cs
Cesium

87.62 56 Ba
Barium

88.91 57 La
Lanthanum

91.22 72 Hf
Hafnium

92.91 73 Ta
Tantalum

95.94 74 W
Tungsten

(98) 75 Re
Rhenium

101.07 76 Os
Osmium

102.91 77 Ir
Iridium

132.91 87 Fr
Francium

137.38 88 Ra
Radium

138.91 89 Ac
Actinium

178.49 104 Rf
Rutherfordium

180.95 105 Db
Dubnium

183.84 106 Sg
Seaborgium

186.21 107 Bh
Bohrium

190.23 108 Hs
Hassium

192.22 109 Mt
Meitnerium

(223)

(226)

(227)

(261)

(262)

(263)

(264)

(269)

(268)

58 Ce
Cerium

59 Pr
Praseodymium

60 Nd
Neodymium

61 Pm
Promethium

62 Sm
Samarium

63 Eu
Europium

64 Gd
Gadolinium

140.12 90 Th
Thorium

140.91 91 Pa
Protactinium

144.24 92 U
Uranium

(145) 93 Np
Neptunium

150.36 94 Pu
Plutonium

151.96 95 Am
Americium

157.25 96 Cm
Curium

232.04

231.04

238.04...
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