Astudent left a sealed jar of water outside her home. water can be a solid, liquid, or gas. when she put it outside, the water was a solid. twelve hours later, the water had changed phase and was a liquid. what happened to the water molecules?

The water molecules received enough energy through the heat for them to change to a liquid state by unfixing themselves from their fixed positions.

When the state changes from solid to liquid it is called melting. This phenomenon occurs when energy is added causing the molecules in the solid state to move in an accelerated motion, dissociating from one another. Increase in energy increases the motion of each molecule. When the molecules have reached optimum levels of energy they begin to glide past each other, it is at this stage that the state is considered liquid.

Explanation:

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