Chemistry, 16.01.2020 20:31 jackienassiri
Indicate the type of solute-solvent interaction that should be most important in the solution: hcl in acetonitrile (ch3cn)a. dispersion forcesb. dipole-dipole forcesc. ion-dipole forcesd. hydrogen bonding
Answers: 2
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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Chemistry, 22.06.2019 13:00
In a copper wire, a temperature increase is the result of which of the following
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The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.
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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
Indicate the type of solute-solvent interaction that should be most important in the solution: hcl i...
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