Question

Describe the motion of molecules in these two

substances when the ice cube is placed on the
radiator.

Answer 1

When in direct contact, the fast-moving molecules in the radiator collide with the slow-moving molecules in the ice cube. Kinetic energy is transferred from the molecules in the radiator to the molecules in the ice cube, causing a slowdown of the radiator molecules and an acceleration of the ice molecules.

Step-by-step explanation: