The synthesis of ammonia gas from nitrogen gas and hydrogen...

The synthesis of ammonia gas from nitrogen gas and hydrogen gas represents a classic case in which a knowledge of kinetics and equilibrium was used to make a desired chemical reaction economically feasible. Explain how each of the following conditions helps to maximize the yield of ammonia. a. running the reaction at an elevated temperature b. removing the ammonia from the reaction mixture as it forms c. using a catalyst d. running the reaction at high pressure

Transcript

00:01 In this question, we have the synthesis of ammonia.

00:06 We have the process of synthesis of ammonia.

00:11 That process is called as havers process.

00:18 Havers process.

00:20 In this havers process, what you are doing means by using economical feasible process, that is, by using leichatlier principle, leach atlier principle.

00:38 We have to explain how the following conditions will maximize the yield of ammonia.

00:45 What the conditions we have to apply to get? maximum yield of ammonia.

00:55 So if you're writing habus process equation, n2 gas, on reacting with 3h2 gas, which is an equilibrium with 2nh3 gas, a delta h is equal to minus 46.

01:11 Kilojou per mole now the first part of this question is first part of this question is running the reaction at elevated temperature running the reaction at elevated temperature means if you are taking the reaction at a high temperature what happens you have to explain here so if you are running the reaction at high temperature it is the exothermic reaction the forward reaction is exothermic according to leachartley principle if the reaction is exothermic then you have to apply low temperature you have to apply low temperature but here applying high temperature if you are using high temperature nh3 yield ammonia yield will decrease will decrease so maintaining high temperature which not to get which is not used to get a high amount amount of ammonia and the second one here it is removing the ammonia from the reaction mixture removing ammonia from the reaction mixer so if you are removing one of the product at equilibrium so here ammonia is a product in this reaction if you are removing this product then equilibrium will shift towards forward reaction equilibrium shifts towards right shifts to right if equilibrium shifts to right means you can get more amount of ammonia more amount of ammonia we can get so removing ammonia is one of the technique which is used to get maximum yield of nh3 and now see using catalyst using catalyst...

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