Chemistry, 06.11.2019 00:31 kamjay2006
You know that an unlabeled water bottle contains at least some water. you measure the freezing point of the unknown substance and find that it freezes at a temperature lower than 0 degrees celsius at 1 atmosphere pressure. which of the following can you conclude?
a. the substance is pure water.
b. the substance will have a boiling point that is less than 100 degrees celsius.
c. the substance will have a vapor pressure that is greater than that of pure water.
d. the substance is an aqueous solution.
Answers: 2
Chemistry, 21.06.2019 18:30
Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?
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Chemistry, 22.06.2019 04:00
Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral
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Chemistry, 22.06.2019 15:00
Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?
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Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
You know that an unlabeled water bottle contains at least some water. you measure the freezing point...
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