This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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Here are the solutions to the questions: i) Write an equation for the reaction that takes place in the gas jar. The diagram shows the catalytic oxidation of ammonia. Dry ammonia (NH_3) reacts with oxygen (from the air in the gas jar) in the presence of a hot catalyst. 4NH_3(g) + 5O_2(g) Hot nichrome wire 4NO(g) + 6H_2O(g) ii) Why is it necessary to have a hot nichrome wire in the gas jar? The hot nichrome wire acts as a catalyst for the reaction. It provides the necessary activation energy to initiate the reaction between ammonia and oxygen, allowing it to proceed at a suitable rate. 3 done, 2 left today. You're making progress.