Synthetic Inorganic Chemistry

(^10) NOTES ON LABORATORY MANIPULATION directions will be given when it is necessary to use wash liquids other than pure water. ...

EVAPORATION 11 original volume of the mixture (Fig. 4), any soluble substances will still remain uniformly distributed throughou ...

12 NOTES ON LABORATORY MANIPULATION and then when in any one place the liquid does penetrate, the sudden cooling causes the porc ...

CRYSTALLIZATION 13 The finer particles of the solid dissolve first; as the solution becomes more concentrated the rate of soluti ...

14 NOTES ON LABORATORY MANIPULATION evaporate very slowly. This is easily accomplished in industrial works where large vats of s ...

DRYING 15 mention the liquid which adheres to the crystal surfaces. By dissolving the crystals, the small amount of impurity lik ...

16 NOTES ON LABORATORY MANIPULATION ether evaporates so rapidly that a preparation wet with it may be dried by a very few minute ...

DRY REACTIONS; FURNACES 17 in pure water or a neutral salt solution. When a solution which is acid must be rendered exactly neut ...

18 NOTES ON LABORATORY MANIPULATION of the hot charcoal is oxidized to carbon monoxide, which then reduces some of the strontium ...

GAS GENERATORS^19 FIG. zinc for hydrogen, and ferrous sulphide for hydrogen sulphide, is placed in the 300-cc. thick-walled gene ...

(^20) NOTES ON LABORATORY MANIPULATION and thereafter let the water in, a single drop at a time, to obtain the desired flow of g ...

WEIGHING 21 until the acid rises and barely touches the solid in the generator tube. The generation of gas will now begin and pr ...

22 NOTES ON LABORATORY MANIPULATION Usually powdered solids are weighed in a small vial or on a piece of paper. The object to be ...

CHAPTER I THE QUANTITATIVE ASPECTS OF CHEMISTRY So many things happen when substances undergo a chemical change that it is no wo ...

24 QUANTITATIVE ASPECTS OF CHEMISTRY combine to form zinc oxide the ratio is found to be 1.00 of oxygen to 4.09 of zinc. No matt ...

WEIGHT OF A LITER OF OXYGEN 25 Weight of evaporating dish + zinc oxide after first heating grams second heating grams third heat ...

26 QUANTITATIVE ASPECTS OF CHEMISTRY Materials: potassium chlorate, dry, powdered. Apparatus: wash bottle (see p. 5). 6-inch Pyr ...

WEIGHT OF A LITER OF OXYGEN^27 about 2 grams of dry powdered potassium chlorate and again weigh it accurately. (The potassium ch ...

28 QUANTITATIVE ASPECTS OF CHEMISTRY solid salt in the gas stream issuing from the tube. If for any reason the heating is interr ...

VOLUME OF HYDROGEN DISPLACED BY ZINC 29 Weight of flask and water grams Weight of empty flask grams Weight of water grams Barome ...