Chemistry, 05.10.2020 15:01 borgesalfonso12
A block of metal has a mass of 51.11 g and displaces 71.46 ml of water. Calculate the density of the metal in g/ml.
Answers: 1
Chemistry, 21.06.2019 15:20
Both 1,2−dihydronaphthalene and 1,4−dihydronaphthalene may be selectively hydrogenated to 1,2,3,4−tetrahydronaphthalene. one of these isomers has a heat of hydrogenation of 101 kj/mol (24.1 kcal/mol), and the heat of hydrogenation of the other is 113 kj/mol (27.1 kcal/mol). match the heat of hydrogenation with the appropriate dihydronaphthalene.
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The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
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A block of metal has a mass of 51.11 g and displaces 71.46 ml of water. Calculate the density of the...
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