Chemistry, 19.05.2020 15:27 kayelynn003
If i mix two chemicals In a test tube and notice after a few seconds that there are ice crystals forming on the Outside of the test tube I am witnessing a
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Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.
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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, 22.06.2019 23:00
Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?
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Chemistry, 23.06.2019 00:00
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
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If i mix two chemicals In a test tube and notice after a few seconds that there are ice crystals for...
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