Ammonia is manufactured by Haber process. (a) Under what condition do the reactants combine to form ammonia?

Ammonia is manufactured by Haber process.

(a) Under what condition do the reactants combine to form ammonia? Give a balanced equation for the reaction.

(b) In what ration by volume, are the above gases used?

(c) state one possible source of each reactant used in haber process.

(d) state whether the formation of ammonia is promoted by the use of high pressure or low pressure?

(e) Mention two possible ways by which ammonia produced is removed from unchanged gases

(f) What is the function of:

(i) finely divided iron

(ii) molybdenum in the above process?