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Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Chemistry, 22.06.2019 07:30
Identify two types of chemical bonding in the source of dietary potassium
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Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
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Which two solutions have similar solubilities at 40°c? na2so4 and nacl na2haso4 and nacl na2haso4 a...
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History, 17.07.2019 14:40
History, 17.07.2019 14:40
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History, 17.07.2019 14:40
History, 17.07.2019 14:40
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Biology, 17.07.2019 14:40
Biology, 17.07.2019 14:40
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