Chemistry, 22.09.2021 03:10 snowprincess99447
The mass of all elements on the periodic table are based on which element?
Answers: 3
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The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above
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What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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What are the chemical names of these compounds? ke: mg3n2: reset next
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Chemistry, 22.06.2019 19:20
For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)
Answers: 1
The mass of all elements on the periodic table are based on which element?...
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