1. In a heterogeneous mixture, the substances
A. can be physically separated.
B. are chemica...
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Chemistry, 22.06.2019 09:00
Identify the electromagnets with poles that are reversed from the electromagnet shown above
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In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
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Chemistry, 22.06.2019 12:30
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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Chemistry, 22.06.2019 21:00
Which property of water causes water drops to bead on a freshly waxed car?
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