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Compare and contrast physical changes with chemical changes.
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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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Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?
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"how many moles of calcium atoms are in 2.5 moles of calcium carbonate caco3"...
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