Chemistry, 22.04.2020 21:47 LarryJoeseph
A. Indicate whether the following descriptions refer to electrolytes or to non-electrolytes.
1. lipids, monosaccharides, neutral fats
2. have greater osmotic power at equal concentrations
3. most numerous solutes in the bodyâs fluid compartments
4. salts, acids, and bases
5. most of the mass of dissolved chemicals in the bodyâs fluid compartments
6. each molecule dissociates into two or more ions
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Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants
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In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
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Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.
Answers: 2
A. Indicate whether the following descriptions refer to electrolytes or to non-electrolytes.
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