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Chemistry, 21.06.2019 15:00, chhimmidemg
How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.
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Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
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What does the symbol (–hfus) indicate in a phase change?
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hydrogen reacts with oxygen to produce dihydrogen monoxide. How many water molecules would you need...
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