Chemistry
Nitrogen and hydrogen combine in the presence of a catalyst to give ammonia gas. With reference to the above reaction:
(a) Name the catalyst used.
(b) At what temperature does the above reaction occur?
(c) What optimum pressure should be maintained during the reaction?
Related Questions
Give the chemical formula of the following ores:
(a) Cryolite
(b) Haemetite
Write the balanced equations for the following reactions:
(a) Potassium bicarbonate reacts with dilute HCl.
(b) Laboratory preparation of ethane using soda lime.
(c) Warm water is added to Aluminium nitride.
1 mole of CO2 occupies 24 dm3 at room temperature and pressure. Calculate the following:
(a) The mass of 6 litres of CO2.
(b) The volume occupied by 60 g of CO2.
[Atomic weight: C=12, O=16]
Define:
(a) Electrolyte
(b) Catenation