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2019 HIGHER SCHOOL CERTIFICATE EXAMINATION
Chemistry
HIGHER SCHOOL CERTIFICATE EXAMINATION 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