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List four observations that indicate that a chemical reaction may be taking place
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Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?
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What is dhmo? hint: you find it everywhere something is wet..
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HELP! Calculate the mass in g of NaOH required to make 450 mL of a 20% NaOH solution...
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