Chemistry, 18.01.2021 14:00 tmrodriguez1
Crown ethers are used to complex ionic compounds (or metal ions) because the oxygen in the crown ether will complex readily with a positively charged metal cation.
a. True
b. False
Answers: 2
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Draw the lewis dot structure for each of the following polyatomic ions
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Chemistry, 22.06.2019 21:00
Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point
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Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
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Chemistry, 23.06.2019 00:00
How do you determine the percent yield of a chemical reaction
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Crown ethers are used to complex ionic compounds (or metal ions) because the oxygen in the crown eth...
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