Regarding water's ability to move up a glass tube, which of the following is true?
a....
Chemistry, 22.10.2019 19:10 leslie1811
Regarding water's ability to move up a glass tube, which of the following is true?
a. surface tension enables water to move up the glass tube.
b. cohesion is exhibited as water molecules are attracted to the molecules in the glass.
c. adhesion is exhibited as water molecules are attracted to the molecules in the glass.
d. adhesion is exhibited as water molecules are attracted to other water molecules.
Answers: 3
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Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous
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When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
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