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Compare and contrast physical changes with chemical changes.
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Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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4.50 x 10^12 atoms Cl in grams...
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