Two sealed containers, X and Y, hold the same gas. Container X is at 20 ∘C20\ ^\circ\text{C}20 ∘C and container Y is at 80 ∘C80\ ^\circ\text{C}80 ∘C. Which statement is correct?
Every molecule in Y moves faster than every molecule in X.
The molecules in X are at rest and the molecules in Y are moving.
The molecules in Y are larger than the molecules in container X.
The molecules in Y have a higher average kinetic energy than in X.
40 exam-style questions on AQA GCSE Physics 3.3 Particle model and pressure, covering 3.3.1 Particle motion in gases, 3.3.2 Pressure in gases, and 3.3.3 Increasing the pressure of a gas (HT only). Each one has a worked solution and a mark scheme showing where the marks go.