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Chemistry, 29.11.2019 03:31, carolyvillanueva
Astudent performed flame tests on several unknown substances and observed that all of the flame colors were shades of red. what could the student do to correctly identify these substances? explain your answer.
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Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
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Astudent performed flame tests on several unknown substances and observed that all of the flame colo...
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