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Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse
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Calculate ΔHrxn for the following reaction: CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g) given these reactions and...
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