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What kinds of changes occur during chemical reactions, and how do these changes affect the atoms and masses of the reactants and products?
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Describe the interaction that occurs between two objects with the same electrical charge.
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Why do cells appear different in distilled water than they do in 10% salt water?
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 Ă— 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
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What kinds of changes occur during chemical reactions, and how do these changes affect the atoms and...
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