Chemistry, 03.09.2021 07:10 helpmelol37
Why is there a danger of explotion in places such as coal mines where there are large quantities of powder, combustibe materials β
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When a scientific theory has been tested and proved by the scientific community, it becomes a law
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Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices
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Why is there a danger of explotion in places such as coal mines where there are large quantities of...
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