THERMO-CHEMISTRY. 73 



Antimony trichloride (Sb + Cl 3 ).s 91*4 



Calcium chloride (Ca + Cl 2 )j 170'2 



Cuprous chloride (Cu 2 + Cl 2 )rf 71*2 



Cupric chloride (Cu + Cl 2 )s 51*6 



Auric chloride (Au + Cljs 22 P 8 



Hydrogen chloride (H + Cl)d 39'3 



Ferrous chloride (Fe + Cl,)$ 82 



Ferric chloride (Fe 2 + 6Cl)s 192 



Lead chloride (Pb + C\ 2 )s 85'2 



Magnesium chloride (Mg + Cl 2 )s 151 



Manganous chloride (Mn -f Cl 2 )s 112 



Mercurous chloride (Hg 2 -h Cl 2 )s 81*8 



Mercuric chloride (Hg + Cl 2 )s 62'8 



Phosphorus trichloride (P + C1 3 )Z 75'8 



Phosphorus pentachloride (P + Cl 5 )s 107'8 



Potassium chloride (K + Cl)s 105 



Silver chloride (Ag + Cl)s : 29'2 



Silicon tetrachloride (Si + C1 4 )Z , 157'6 



Sodium chloride (Na + Cl)s 97'3 



Strontium chloride (Sr + CL)s 184-6 



Stannous chloride (Sn + Cl 2 )s 80'4 



Stannic chloride (Sn + C1 4 )Z 129'2 



Zinc chloride (Zn + Cl 2 )s 97'2 



(97) FORMATION OF SULPHIDES FROM SOLID SULPHUR (CALC.), 

 THOSE OF THE HEAVY METALS PRECIPITATED, AND OF THE 

 LIGHT METALS CRYSTALLISED. To PASS TO GASEOUS SULPHUR 

 ADD 1-3 (see 90). 



Aluminium sulphide (A1 2 + S 3 )s 124'4 



Cadmium sulphide (Cd + S)s 34 



Calcium sulphide (Ca + S)s 92 



Cobalt sulphide (Co + S)s 21 '8 



Cuprous sulphide (Cu 2 + S> 20'2 



Cupric sulphide (Cu -f S)s 10'2 



Ferrous sulphide (Fe + S)s 23'8 



Lead sulphide (Pb + S)5 17'8 



Magnesium sulphide (Mg + S).s 79 '6 



Manganese sulphide (Mn + S)s 



Mercuric sulphide (Hg + S)s 



Nickel sulphide (Ni + S)s 19'4 



Potassium sulphide (K 2 + S)s 102'2 



Silver sulphide (Ag 2 + S)s 



