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Chemistry, 22.06.2019 09:20
Sugar is dissolved in water. which is the solute? sugar neither both water
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Chemistry, 22.06.2019 10:10
What shape would a molecule with two bound groups and two lone pairs have?
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Chemistry, 22.06.2019 12:40
Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid
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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.)
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Asample of water at 100°c is converted to steam after absorbing 820 kj of heat. how grams of h2o are...
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