What is the atomic weight of calcium with the following isotopes?
calcium-40 (96.941%)<...
Chemistry, 23.10.2019 19:00 joelpimentel
What is the atomic weight of calcium with the following isotopes?
calcium-40 (96.941%)
calcium-42 (0.973%)
calcium-44 (2.086%)
Answers: 1
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How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
Answers: 2
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You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices
Answers: 3
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