Please help me with this question for CHM-101
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Chemistry, 18.12.2020 05:20 xTrippyBeach4201x
Please help me with this question for CHM-101
Answers: 2
Chemistry, 23.06.2019 00:30, vane6176
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
Chemistry, 23.06.2019 10:00, LlayahHarbin
The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?
Answers: 2
Chemistry, 23.06.2019 14:00, LeoInc6806
[07.06] which of the following chemical reactions is an oxidation-reduction reaction? (2 points) wo3 + 3h2 yields w + 3h2o kno3 + licl yields lino3 + kcl caso4 + 2nacl yields na2so4 + cacl2 mg(no3)2 + 2hbr yields mgbr2 + 2hno3
Answers: 1
Mathematics, 07.10.2021 05:00