What mass of CaCO3 is formed if 235.00 grams of K2CO3 are reacted with
excess Ca(OH)2?...
Chemistry, 10.05.2021 14:20 ricardorendon100
What mass of CaCO3 is formed if 235.00 grams of K2CO3 are reacted with
excess Ca(OH)2?
Answers: 3
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What are the similarities of physical and chemical change ?
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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
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When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
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Explain how compaction is important in the formation of coal.
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