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Light waves can move through , but they travel fastest when they move through a(n) .
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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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Acetaldehyde (ch3cho) undergoes a wolf-kishner reaction, which is the addition of hydrazine (h2nnh2)...
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