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Chemistry
FORMULAE SHEET
n= cat PV = nRT
MM Vv
q = mcAT AG?° = AH® — TAS? pH = —log,)[H*]
1,
pK, = —log,o[K,] A=elc= bogie
Avogadro constant, N, .... 6.022 x 1023 mol!
Volume of 1 mole ideal g:
at 0°C (273.15 K) ..
at 25°C (298.15 K)
w. 22.71 L
». 24.79 L
.. 8.314 J mol! Kt
1.0 x 10-4
.. 4.18 x 10° kg! KT
Gas constant
Ionisation constant for water at 25°C (298.15 K), K,, .
Specific heat capacity of water
DATA SHEET
Solubility constants at 25°C
Compound Ky Compound Ky
Barium carbonate 2.58 x 10° Lead(II) bromide 6.60 x 10°
Barium hydroxide 2.55 x 104 Lead(II) chloride 1.70 x 10°5
Barium phosphate 1.3 x 10°79 Lead(II) iodide 9.8 x 10°
Barium sulfate 1.08 x 10719 Lead(II) carbonate 7.40 x 1074
Calcium carbonate 3.36 x 10° Lead(I) hydroxide 1.43 x 10°75
Calcium hydroxide 5.02 x 10% Lead(II) phosphate 8.0 x 10
Calcium phosphate 2.07 x 10° Lead(I]) sulfate 2.53 x 10%
Calcium sulfate 4.93 x 105 Magnesium carbonate 6.82 x 10°
Copper(II) carbonate 14x 107° Magnesium hydroxide 5.61 x 10°?
Copper(II) hydroxide 2.2 x 10°79 Magnesium phosphate 1.04 x 10-4
Copper(II) phosphate 1.40 x 10°37 Silver bromide 5.35 x 10°13
Iron(II) carbonate 3.13 x 1071! Silver chloride 1.77 x 10°!°
Iron(II) hydroxide 4.87 x 10717 Silver carbonate 8.46 x 10712
Iron(IIl) hydroxide 2.79 x 10°79 Silver hydroxide 2.0 x 10%
Iron(LII) phosphate 9.91 x 10°16 Silver iodide 8.52 x 10°17
Silver phosphate 8.89 x 10°17
Silver sulfate 1.20 x 105
Infrared absorption data 13C NMR chemical shift data
Bond Wavenumber/em! Type of carbon 3/ppm
| |
NTH 3300-3500 —c—c— 540
(amines) | |
|
O—H 3230-3550 R—C—Clor Br 10-70
(alcohols) (broad) |
|
R—C—C—
C—H 2850-3300 it 20-50
oO
| /
O—H 2500-3000 R—C—N 25-60
(acids) (very broad) | \
| alcohols,
C=N 2220-2260 —C—O— ethers or 50-90
| esters
\ /
= 90-150
C=O 1680-1750 / \
R—C=N 110-125
C=C 1620-1680
110-160
R—C—
c—o 1000-1300 ll esters or 160-185
acids
oO
R—-C—
c—c 750-1100 \| aldehydes 190-220
or ketones
oO
UV absorption
(This is not a definitive list and is approximate.)
Chromophore Amax (nim) Chromophore Amax (nm)
173 178
C—H 122 C=C
196 222
Cc—C 135 c—Ccl 173
C=C 162 C—Br 208
