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Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleevās model had all of the information correct in the first version. harmony is correct, because mendeleevās model made predictions that came true.
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Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; Ī“hvaporization = 3.67 j/mol; Ī“hfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. ā12.4 j ā3.51 x 102 j 1.24 x 101 j 351 j
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Chemistry, 22.06.2019 19:30
What is the common name for the compound shown here? enter the common name of the compound shown?
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Chemistry, 23.06.2019 02:00
Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).
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