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Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt
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Which of the following units is not an official si unit? mole liter kilogram ampere
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Abe amodeo, a nuclear physicist, needs 6060 liters of a 6060% acid solution. he currently has a 40 %...
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