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When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers
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For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
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How many neutrons does an element have if its atomic number is 50 and its mass number is 166
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Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?
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How many cm is 0.375 ft....
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