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Chemistry, 21.06.2019 21:30
Which is the layer underground where all empty spaces are filled with a combination of air and water ?
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Chemistry, 22.06.2019 21:20
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .
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Chemistry, 23.06.2019 21:10
What is the difference between a strong acid and a weak acid? there is no difference between a strong acid and a weak acid because they are both acids. a strong acid will react with a base. a weak acid will not. a strong acid will produce a larger amount of ions than a weak acid. a strong acid will produce a smaller amount of ions than a weak acid.
Answers: 3
Which type or types of change, if any, can reach equilibrium? (1) a chemical change, only(2) a physi...
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