Chemistry, 28.06.2019 07:30 emmaty7845
A0.630 gram sample of a metal, m, reacts completely with sulfuric acid according to: a volume of 291 ml of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. atmospheric pressure is 756.0 torr and the temperature is 25 °c. the vapor pressure of water at various temperatures can be found in this table. calculate the molar mass of the metal.
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The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
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Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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A0.630 gram sample of a metal, m, reacts completely with sulfuric acid according to: a volume of 291...
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