Particles within an object possess kinetic energy due to their motion and potential energy due to their positions among other particles. The sum of the kinetic and potential energies of all the particles in an object is known as internal energy. Changes in the internal energy of a substance can result in a phase change. Using this phase diagram image, describe how matter can change phases in relation to the level of internal energy that matter possesses.
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Particles within an object possess kinetic energy due to their motion and potential energy due to th...
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