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How many moles of co2 are produced when 5.40 mol of ethane are burned in an excess of oxygen?
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A48 g piece of ice at 0.0 ∘c is added to a sample of water at 7.4 ∘c. all of the ice melts and the temperature of the water decreases to 0.0 ∘c. how many grams of water were in the sample?
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What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?
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If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?
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How many moles of co2 are produced when 5.40 mol of ethane are burned in an excess of oxygen?...
Mathematics, 05.04.2021 22:20
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