In which of these models is heat being added to the molecules? 2 points Molecules are moving fast. As they run into slower molecules, they slow down. Molecules are moving slow. As they run into faster molecules, they speed up. The molecules are moving at different speeds. As they run into each other, some molecules slow down while others speed up. The molecules bounce around. Every time they collide with another molecule, they slow down.

Respuesta :

Molecules are moving slow, as they run into faster molecules, they speed up.

Explanation:

The model that best depicts heat being added to the molecules is that slow moving molecules run into faster ones and they speed up.

When heat is added to a body, the kinetic energy of the system increases.

  • Slow moving particles have low kinetic energy among them.
  • Heat causes gain in kinetic energy.
  • The slow moving particles first begins to vibrate and as time proceeds starts colliding with other ones.
  • The overall entropy of the system increases as they run into faster molecules.

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