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Brass is made up of 75% copper and 25% zinc. what mass of Cu is in a piece of brass that weighs 355g
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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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To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
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Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.
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Brass is made up of 75% copper and 25% zinc. what mass of Cu is in a piece of brass that weighs 355g...
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