How has the work of chemists advanced cancer treatment?
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Chemistry, 22.06.2019 01:30
The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 Γ 103 pascals?
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Chemistry, 22.06.2019 21:50
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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Chemistry, 23.06.2019 02:00
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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