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Compare and contrast physical changes with chemical changes.
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An observation that requires measurement is called quantitative observable or qualitative
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Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?
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When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule
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Which best describes an atom represented by this diagram?...
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