Chemistry, 30.12.2019 20:31, wutdmgamerz
Which group on the periodic table of the elements contains elements that react with oxygen to form compounds with the general formula x2o?
(1) group 1 (3) group 14
(2) group 2 (4) group 18
Answers: 1
Chemistry, 22.06.2019 21:20, paatnguyyen
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 .
Answers: 2
Chemistry, 23.06.2019 04:10, NavyCo
Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
Answers: 1
Chemistry, 23.06.2019 10:30, taniyahbenyamin2
Whatβs the physical properties in calcium chloride
Answers: 1
Chemistry, 23.06.2019 11:30, cjmckee2001
How do you calculate the mass of a product when the amounts of more than one reactant are given?
Answers: 3
Which group on the periodic table of the elements contains elements that react with oxygen to form c...
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