How does the speed of molecules affect matter?
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An increase in the speed of the molecules competes with the attraction between molecules and causes molecules to move a little further apart. Cooling a liquid decreases the speed of the molecules. A decrease in the speed of the molecules allows the attractions between molecules to bring them a little closer together.
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An increase in the speed of the molecules competes with the attraction between molecules and causes molecules to move a little further apart. Cooling the liquid decreases the speed of molecules. A decrease in the speed of molecules alows the attraction between the molecules to bring them closer.
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