Answers

(a) State whether entropy increases or decreases during each of the following processes (i) condensation of steam; (ii)…

Potassium trioxochlorate (V) undergoes thermal decomposition according to the fotpowing equation: 2KCIO(_3) (to) 2KCI + 3O(_2) (a) What…

(a) Write an equation to show the action of strong heat on: (i) potassium trioxonitrate (V): (ii) sucrose.…

When ethane – 1,2-dioic acid is heated with concentrated tetraoxosulphate (VI) acid, a reaction represented by the following…

(a) Define oxidation in terms of electron transfer. (b) Consider the following: Cu(_{(s)}) + 2Ag(^{+}_{(Ag)}) (to) Cu(^{2+}_{(aq)}) +…

(a) When MgSO(_4).XH(_2)O crystals were exposed to the atmosphere for several days, three  was a loss in mass…

A shortened form of the Periodic Table is shown below. Use it to answer questions (a) and (b)…

(a) Give one example each of a naturally occurring substance that; (i) conforms to the general formula C(_x)(H(_2)O)(_y);…

(a) State two differences in the chemical properties of metals and non-metals. (b) List two general methods of…

(1)(a) State Avogadro’s law (b) Which of the state of matter contains particles that are: (i) readily used…