Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a pure copper cathode in an electrolytic cell. how many hours will it take to plate 11.5 kg of copper onto the cathode if the current passed through the cell is held constant at 34.5 a ? assume the copper in the electrolytic solution is present as cu2+ .
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Chemistry, 22.06.2019 05:40
Consider the elements bromine and chlorine; which elements has a larger ionic radius ?
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Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
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Chemistry, 22.06.2019 17:20
The small bags of silica gel you often see in a new shoe box are placed there to control humidity. despite its name, silica gel is a solid. it is a chemically inert, highly porous, amorphous form of sio2. because water vapor readily adsorbs onto the surface of silica gel, it acts as a desiccant. despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided you should be able to make an educated guess about the thermodynamic characteristics of the process. predict the signs for δg, δh, and δs for the adsorption of water.
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Chemistry, 22.06.2019 20:30
Which states of matter have particles that move independently of one another with very little attraction?
Answers: 1
Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a...
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