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Q: How many hours will it take to plate out 1.30 kg of aluminum in an electrolytic cell with a current of 125 amps?
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Why polar capacitors can store charge in one way only?

The reason that some capacitors are polarized has to do with their physical construction. A common type of polarized capacitor is the aluminum electrolytic capacitor. These capacitors use aluminum coated with a thin layer of aluminum oxide for one plate and a conductive solution as the other plate. This strategy yields very high capacitance in a small physical volume because the aluminum oxide dielectric layer can be made extremely thin. Unfortunately, this construction only allows bias in one direction (the aluminum with the aluminum oxide coating must be the anode) because reversing the bias causes the dielectric to break down. I believe that the chemical reaction that takes place is this: when the aluminum plate coated with aluminum oxide is given a negative charge, the Al+3 ions in the aluminum oxide are reduced back to aluminum metal (taking electrons from the plate). This liberates the oxygen from the aluminum oxide as a gas, which is why reverse-polarizing these capacitors produces out-gassing (and bursting of the physical package of the capacitor if there is no relief valve). Tantalum electrolytic capacitors have a conceptually similar design. The anode is a tantalum wire with an oxide layer as a dielectric. Subjecting these capacitors to reverse bias also breaks down the dielectric by reducing the tantalum ion back to tantalum metal.


How do you polish aluminum plate?

You pour coca cola on the plate and use a cloth to rub the plate.


Is a aluminum pie plate a element?

is element


Is a aluminum pie plate an element?

is element


What are advantages aluminium plate in electrocoagulation compared to ferum plate?

Aluminum will drive oxidation.


What is the weight of aluminum plate .250x12x12?

3.53 lbs.


What does the most recent license plate from Arizona look like?

See here for the current passenger vehicle plates. It is at the bottom right and is now made of a plastic rather than aluminum.


What is the density of mic 6 aluminum tool plate?

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Aluminum Tubing ?

form_title= Aluminum Tubing form_header= Make DIY projects a snap with aluminum tubing How much aluminum tubing do you need?*= _ [50] How are using the aluminum tubing? *= _ [50] Do you want to buy the tubing online?*= () Yes () No


What is the SIC code for aluminum foil manufacturing?

Establishments primarily engaged in manufacturing plain aluminum foil are classified in SIC 3353: Aluminum Sheet, Plate, and Foil.


What is the thermal conductivity difference between cast aluminum and sheet plate aluminum?

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What is the metal cover that goes over a plate of food called?

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