as more thermal energy is added to the substance, its particles gain enough thermal energy to move around…

as more thermal energy is added to the substance, its particles gain enough thermal energy to move around more freely. the particles remain close together, but they are able to slide past one another. when all of the particles have broken out of their fixed positions, the substance has changed state. which of the following happen during this change of state? select all that apply. the number of particles in the substance increases. the substance melts and becomes a liquid. the particles in the substance move far apart.

as more thermal energy is added to the substance, its particles gain enough thermal energy to move around more freely. the particles remain close together, but they are able to slide past one another. when all of the particles have broken out of their fixed positions, the substance has changed state. which of the following happen during this change of state? select all that apply. the number of particles in the substance increases. the substance melts and becomes a liquid. the particles in the substance move far apart.

Answer

Brief Explanations:

When a solid changes to a liquid (melting), the substance melts and becomes a liquid. The number of particles remains the same as no new particles are created or destroyed during a phase - change. The particles move more freely but still remain close together, not moving far apart as in a gas.

Answer:

The substance melts and becomes a liquid.