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What is a measure of the amount of matter in an object? a). density b). mass c). gravity d). weight
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Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Chemistry, 22.06.2019 20:00
How are the terms group and period used on the periodic table
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What mass of glucose is produced when 54g of water react with carbon dioxide
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What is a measure of the amount of matter in an object? a). density b). mass c). gravity d). weight...
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