How does a phase change from solid to liquid occur in a substance?
Heat energy is released from the substance, strengthening the electrical attraction between molecules.
Heat energy is released from the substance, weakening the electrical attraction between molecules.
Heat energy is added to the substance, weakening the electrical attraction between
molecules. Heat energy is added to the substance, strengthening the electrical attraction between molecules.
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Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.
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Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
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Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely
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How does a phase change from solid to liquid occur in a substance?
Heat energy is released from th...
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