Chemistry

Chemistry, 05.07.2019 10:30, vannybelly83

How do the melting and boiling points of pure water differ from those of a sugar-water solution?

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Biology, 24.08.2019 22:30, jumeljean123oythxy

In an experiment, a student wants to know the boiling point of a solution of sugar water. the student first measures the boiling point of 100 ml pure distilled water. then she measures the boiling point of 100 ml of pure distilled water plus 10 grams of sugar. the student uses a bunsen burner to heat both solutions. which is the experimental variable?

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Chemistry, 25.09.2019 11:30, kimlyn58p0wyn0

Kylie has two glasses with equal volumes of pure water. she adds 40 g of sugar to one of the glasses of water and 40 g of salt to the other. when sugar is dissolved in water, it does not change the number of ions present. when salt is dissolved in water, however, the number of ions significantly increases. which of the following is true about the electrical conductivity of kylie's two solutions? a)the solution of sugar water will have a higher conductivity than the solution of salt water. b) pure water will have a higher conductivity than both the sugar water and the salt water. c) the solution of salt water will have a higher conductivity than the solution of sugar water. d) the solution of salt water and the solution of sugar water will have the exact same conductivity.

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Biology, 19.10.2019 19:30, tylorturnbullowxzp8

In an experiment, a student wants to know the boiling point of a solution of sugar water. the student first measures the boiling point of 100 ml pure distilled water. then she measures the boiling point of 100 ml of pure distilled water plus 10 grams of sugar. the student uses a bunsen burner to heat both solutions. which is the experimental variable?

Answers: 2

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