Chemistry, 18.03.2021 01:30 slixmaster89
True or False Friction can be reduced by lubricating or changing the shape of objects
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Compare and contrast physical changes with chemical changes.
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Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
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How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.
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True or False Friction can be reduced by lubricating or changing the shape of objects...
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