Chemistry path · GCSE Chemistry

Why can compression leave an equilibrium mixture unchanged?

1 Compare

2 Problem

3 Fix

4 Apply

Compare answers: current.
Find the problem: pending.
Fix the answer: pending.
Try a new question: pending.

Practice question

A sealed reactor contains the equilibrium A(g) + B(g) ⇌ 2C(g). At constant temperature, increasing the pressure from 1.0 MPa to 4.0 MPa does not change the equilibrium proportion of C. Explain this observation.

Which answer would score higher?

Not sure where to start?

Official curriculum

4.6.2.7 Using pressure evidence in gaseous equilibria

This challenge practises knowledge and exam skills from the official GCSE science curriculum. Use these sources to see the exact subject content and its wider Key Stage 4 context.

AQA specification 4.6.2.7 Using pressure evidence in gaseous equilibria GOV.UK Key Stage 4 science programme

Step time 0:00