Chemistry, 12.08.2020 04:01 acoverupoze5th
How did Earth come to have an oxygen atmosphere?A. Precambrian rocks released oxygen into the atmosphere. B.Volcanoes released oxygen into the atmosphere. C.Early organisms created oxygen from other gases in the atmosphere. D.Oxygen was the primary gas originally in Earth's atmosphere.
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Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2
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What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
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An atom that gains or loses one or more electrons is called a(n)
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How did Earth come to have an oxygen atmosphere?A. Precambrian rocks released oxygen into the atmosp...
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