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Ateacher wants to perform a classroom demonstration that illustrates both chemical and physical changes. which would be the best demonstration that she could use? a) bending a piece of aluminum b) breaking a matchstick c) dissolving sugar in water d) burning a candle
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Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Ateacher wants to perform a classroom demonstration that illustrates both chemical and physical chan...
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