At constant volume, the pressure of a gas rises when it is heated because the molecules:

  1. move faster, hitting the walls harder and more often
  2. stop moving
  3. attract each other
  4. become bigger
Answer

A) move faster, hitting the walls harder and more often

Pressure ∝ T at constant V. SLO P-11-C-09 · Understanding

Physics MCQ · More Kinetic Theory and First Law of Thermodynamics MCQs · Practise