Chemistry, 01.12.2020 20:50, rosieposie27
In a lifetime, the average American uses more than half a ton(>500kg) of copper in coins , plumbing and wiring. Copper ia obtained from sulfide ores, such as chalcocite[copper(I) sulfide] by a multistep process. After initial grinding, the ore is "roasted" (heated strongly with oxygen gas) to form powdered copper(I) oxide and gaseous sulfur dioxide. How many moles of oxygen are required to roast 10.0 mol of copper(I) sulfide?
Answers: 1
Chemistry, 22.06.2019 07:30, 10040813
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 08:30, myamiller558
Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
Answers: 1
Chemistry, 23.06.2019 01:00, tjeffers90028
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) ā feso4(aq) + cu(s)
Answers: 3
Chemistry, 23.06.2019 02:00, matthewsorrow02
What is the mass of 0.750 mole of aluminum oxide, al2o3?
Answers: 1
In a lifetime, the average American uses more than half a ton(>500kg) of copper in coins , plumbi...
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