amiahmiller79 amiahmiller79 01-10-2018 Chemistry contestada How does energy from the sun affect the motion of molecules in a gas compared to molecules in a liquid? (2 points) Molecules in a gas move faster than in a liquid. Molecules in a gas move slower than in a liquid. Molecules in a solid and gas move at about the same speed. The sun does not affect the energy in liquids and gases.