Chemistry, 14.01.2021 18:20 mykamorrow
when 1.50 g of copper is heated in air, it reacts with oxygen to achieve a final mass of 1.88g. calculate the empirical formula of this copper oxide.
Answers: 3
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
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Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) ā> 2h20(0) + 2502(9) 4fes2+1102 ā> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
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Chemistry, 23.06.2019 05:30
Idont understand it 1.what is the boiling point of a solution of 675 grams of ethylene glycol (c2h6o2) in 2.50 liters of water?
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when 1.50 g of copper is heated in air, it reacts with oxygen to achieve a final mass of 1.88g. calc...
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