What happens to ice as it melts?A.The average kinetic energy of the water molecules increases.B.The absorbed energy breaks apart intermolecular forces.C.The released energy increases the intermolecular forces.D.The average kinetic energy of the water molecules decreases.
Question
What happens to ice as it melts?A.The average kinetic energy of the water molecules increases.B.The absorbed energy breaks apart intermolecular forces.C.The released energy increases the intermolecular forces.D.The average kinetic energy of the water molecules decreases.
Solution
When ice melts, the process involves the following steps:
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The ice absorbs heat energy from its surroundings. This energy is used to break the hydrogen bonds between the water molecules in the ice.
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As the hydrogen bonds break, the water molecules are able to move more freely. This change from a solid state (ice) to a liquid state (water) is what we refer to as melting.
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As the water molecules move more freely, their average kinetic energy increases. Kinetic energy is directly related to temperature, so as the kinetic energy increases, so does the temperature of the water.
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