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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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Afuel has 30.43% nitrogen and 69.57% oxygen. find the molecular formula of the compound if it has a mass of 92 grams per mole a.no b.n2o4 c.no2 d.n4o8
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A chemist is given a sample of the CuSO4 hydrate and asked to determine its the empirical formula. T...
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