Learning objective

(HT only) Evaluate pressure choices for equilibrium reactions from yield, rate and operating cost information.

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At a glance

Flashcards

Questions

Topic

Reversible reactions and dynamic equilibrium

Subtopic

The effect of pressure changes on equilibrium (HT only)

AQA GCSE ChemistryThe rate and extent of chemical change

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Understand this objective

Short explanation

(HT only) Evaluate pressure choices for equilibrium reactions from yield, rate and operating cost information. This objective belongs to The effect of pressure changes on equilibrium (HT only) within Reversible reactions and dynamic equilibrium for AQA GCSE Chemistry 8462. A strong answer should use HT only accurately, explain the chemistry behind the statement, and connect the idea back to the exact command in the objective. When revising, separate this point from neighbouring Chemistry ideas by naming the relevant particle, substance, process, calculation, observation, or structure before giving the final conclusion.

Key concepts

dynamic equilibriumLe Chatelier's Principlepressure effectyield evaluation

Why it matters

This objective helps connect The effect of pressure changes on equilibrium (HT only) to exam-style questions, flashcards, and revision notes for Reversible reactions and dynamic equilibrium.

Common mistakes

2 linked

Ignoring Yield Impact: Focus on analyzing how increasing or decreasing pressure influences the yield based on the number of gaseous molecules on each side of the equation.
Misunderstanding Cost Evaluation: Always include a comparison of yield and operating costs when making decisions about pressure in equilibrium systems.

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