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Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.
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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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Fe-C-Cr alloy is covalent or ionic?...
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