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Chemistry, 22.06.2019 17:10
Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
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Chemistry, 23.06.2019 02:00
The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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Chemistry, 23.06.2019 09:30
What is the best describtion of the side of the moon that faces earth?
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Chemistry, 23.06.2019 10:30
Amethod of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called
Answers: 2
And active alkaline earth metal with 56 protons...
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