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Chemistry, 23.06.2019 05:30
Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
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Chemistry, 23.06.2019 06:00
Give one example of a pure (exact) number and of an estimated (measured) number.
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Chemistry, 23.06.2019 14:00
If the molar mass of the compound is 96.69 g/mol, what is the molecular formula of the compound?
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Chemistry, 23.06.2019 17:30
If 2.40 moles of gas are held at a temperature of 97.0 °c in a container with a volume of 45.0 l, what is the pressure of the gas?
Answers: 1
Newton's first law is best described as a) the law of inertia b) the law of reaction c) the law of a...
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