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How many atoms are there in 20.00 moles of calcium (Ca)?
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What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)
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Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
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Chemistry, 22.06.2019 00:00, 20jessicacabriales
The pressure in a fluid is affected by which characteristics of that fluid
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How many atoms are there in 20.00 moles of calcium (Ca)?...
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