Chemistry, 28.05.2020 02:59 alexabessin
Suppose a student creates a solution by dissolving 0.5079 g of a non-dissociating, non-volatile unknown solute in 15.95 g cyclohexane. The freezing point change is −2.7°C. (a) Calculate the number of moles of solute in the solution. mol (b) Calculate the molar mass of the solute. g/mol Which one of the p-dihalobenzenes could this unknown be (p-difluoro-, p-dichloro, p-dibromo-, or p-diiodobenzene)?
Answers: 2
Chemistry, 21.06.2019 14:30, Staceyrycz2772
Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.
Answers: 1
Chemistry, 23.06.2019 09:00, student0724
Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive
Answers: 2
Suppose a student creates a solution by dissolving 0.5079 g of a non-dissociating, non-volatile unkn...
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