Question detail
Explain the concept of dynamic equilibrium in the context of the Haber process.
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At a glance
Question
Type
exam_style
Style
Topic
The Haber process and the use of NPK fertilisers
Question
Explain the concept of dynamic equilibrium in the context of the Haber process.
Answer
Dynamic equilibrium in the Haber process occurs when the rate of the forward reaction (formation of ammonia) equals the rate of the reverse reaction (decomposition of ammonia). At this point, the concentrations of nitrogen, hydrogen, and ammonia remain constant, even though both reactions continue to occur.
Explanation
A strong answer should directly address the approved learning objective to apply dynamic equilibrium ideas to the Haber process. (HT only; Chemistry only). This question belongs to The Haber process within The Haber process and the use of NPK fertilisers, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to chemistry only, and keeps the wording specific to AQA GCSE revision.
Common mistake
Misunderstanding Dynamic Equilibrium
Students often confuse dynamic equilibrium with static equilibrium, thinking that the concentrations of reactants and products remain constant without any reaction occurring.
Dynamic equilibrium involves ongoing reactions where the rate of the forward reaction equals the rate of the reverse reaction, leading to constant concentrations of reactants and products.
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