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Chemistry, 21.06.2019 17:30
Write a paragraph at least 10 sentences explaining how rocks are used today in society
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8.98 dm3 of hydrogen gas is collected at 38.8 Β°c. find the volume the gas will occupy at -39.9 Β°c if the pressure remains constant.
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Chemistry, 23.06.2019 00:00
The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
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What is the oxidation state of Carbon in CaC2O4?...
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