Chemistry, 18.08.2019 14:20 ineedhelpplz40
Two substances in a mixture differ in density and particle size. these properties can be used to
1) seperate the substances
2) chemically combine the substances
3) determine the freezing point of the mixture
4) predict the electrical conductivity
Answers: 1
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Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:
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The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
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Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
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Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
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Two substances in a mixture differ in density and particle size. these properties can be used to
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