Fig. 4.1 shows the nuclide (isotopic) symbols of three particles. The letters R and Q are not the real chemical symbols. All three particles are neutral ato...

In aqueous solution the chromate(VI) ion and the dichromate(VI) ion exist in equilibrium. The position of the equilibrium depends on how acidic the solution ...

Separate aqueous solutions of three metal salts are each tested by adding a few drops of aqueous sodium hydroxide. In every tube a precipitate forms, as show...

Ethane reacts with chlorine when a mixture of the two gases is exposed to ultraviolet light. Fig. 8.1 shows the displayed formula of the main organic product...

Fig. 13.1 shows an incomplete electron arrangement of a neutral atom of element L. Two shells have been drawn with their electrons, and an empty third shell ...

Cooking oil and water do not mix; they form two separate layers. The apparatus shown is used to separate a mixture of cooking oil and water. The oil forms th...

Ethanol is used as a fuel because it burns readily in air. Table 6.1 gives the energy released when 1 g of some fuels is completely burned. Table 6.1 Fuel Fo...

Salts are made when the hydrogen in an acid is replaced by a metal. Table 1.1 shows three common acids. Acid Family name of salt formed hydrochloric acid ......

Fig. 7.1 Fig. 7.1 shows the apparatus used to titrate a solution of sodium carbonate against dilute nitric acid. (a) State how the burette reading should be ...