Chemistry, 16.04.2020 20:26 DiamondSharp9860
3. A sample of unknown metal chlorate, weighing 1.725 g, is heated until all of the oxygen is driven off. The residue remaining in the container (test tube) weighs 0.859 g. Calculate the percentage of oxygen in this metal chlorate.
Answers: 3
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Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium
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Chemistry, 21.06.2019 23:50
Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Chemistry, 22.06.2019 09:40
Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. an industrial chemist studying this reaction fills a 25.0l tank with 4.5 mol of sulfur dioxide gas and 4.5 mol of oxygen gas at 30.Β°c. he then raises the temperature, and when the mixture has come to equilibrium measures the amount of sulfur trioxide gas to be 1.4 mol. calculate the concentration equilibrium constant for the reaction of sulfur dioxide and oxygen at the final temperature of the mixture. round your answer to 2 significant digits.
Answers: 3
3. A sample of unknown metal chlorate, weighing 1.725 g, is heated until all of the oxygen is driven...
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