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how does kinetic energy overcome the force of attraction between the particles during the phase change???
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Two factors determine whether a substance is a solid, a liquid, or a gas:
The kinetic energies of the particles (atoms, molecules, or ions) that make up a substance. Kinetic energy tends to keep the particles moving apart.The attractive intermolecular forces between particles that tend to draw the particles together.
If the average kinetic energy is greater than the attractive forces between the particles, a substance will not condense to form a liquid or a solid. If the kinetic energy is less than the attractive forces, a liquid or solid will form.
The kinetic energies of the particles (atoms, molecules, or ions) that make up a substance. Kinetic energy tends to keep the particles moving apart.The attractive intermolecular forces between particles that tend to draw the particles together.
If the average kinetic energy is greater than the attractive forces between the particles, a substance will not condense to form a liquid or a solid. If the kinetic energy is less than the attractive forces, a liquid or solid will form.
Devipvu2004:
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The average kinetic energy of the particles in a gas is great enough to overcome the forces of attraction between them. The molecules of a gas move apart when they collide. ... The molecules in a liquid (or solid) do not move apart.
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