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4. How many grams of ethylene glycol (C2H6O2) must be added to 1.00kg of water to produce a solution that frees at -50c?
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One similarity and one difference between an element and a mixture of elements
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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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Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
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4. How many grams of ethylene glycol (C2H6O2) must be added to 1.00kg of water to produce a solution...
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