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How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?