Answers: 3
Chemistry, 21.06.2019 20:30
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
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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?
Answers: 2
Chemistry, 23.06.2019 11:30
The dashed segment of the plotted experiment in the graph in the l
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Chemistry, 23.06.2019 16:00
How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a) 3.4 mol h2so4 b) 6.8 mol h2so4 c) 10.2 mol h2so4 d) 13.6 mol h2so4 a) 3.4 mol h2so4
Answers: 1
In the laboratory, a quantity of I2 was reacted with excess H2 to give 1.26 moles of HI. It is also...
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