Question

industrial ammonia is obtained by synthesis of nitrogen and hydrogen ---- state the functions​

Answer 1

Explanation:

Image of an object placed at center of curvature is inverted, real and of the same size and is formed at the center of curvature. Hence image will be real and at the center of curvature (20 cm from mirror).

Answer 2

$ANSWER:$

The synthesis of ammonia from nitrogen and hydrogen (Haber process) is one of the few industrial processes in which an unsupported metal catalyst is mainly used.

It involves the direct synthesis of ammonia from its elements. Large quantities of nitrogen are used together with hydrogen to produce ammonia, NH3, a colourless gas with a pungent, irritating odour. The chief commercial method of synthesizing ammonia is the Haber-Bosch process.

In the Haber-Bosch process, ammonia is synthesized from a gas that contains H 2 and N 2 in an approximately stoichiometric ratio.

$N_{2}+3H_{2}$ ⇄ $2NH_{3}-99.22$ $kJ$ $mole^{-1}$

Importantly, ammonia synthesis is a limited exothermic reaction at equilibrium under the relevant reaction conditions, and the synthesis gas is required to be free of any reactive contaminants that poison the catalyst. It is primarily these requirements that determine the optimal process design for an ammonia synthesis plant and an ammonia reactor.

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