posted by .

How long does it take to prepare 4.00 g of Al by electrolysis of Al2O3 using a current of 2.50 ampere?

  • Chemistry needs help -

    Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 2 more physics questions I need help on, please?

    In which of these situations does more charge flow past a given point on a wire?
  2. Chemistry

    1) Determine the equilibrium constant, Keq, at 25°C for the reaction 2Br– (aq) + I2(s) ⇌ Br2(l) + 2I– (aq) My wrong answer: 7.6e-10 2) Aluminum metal is formed by the electrolysis of Al2O3 in molten cryolite. How many minutes …
  3. science

    what is the power dissipated by a 10 ohm resistor through which a 2 ampere current is flowing?
  4. chemistry

    Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 7.5X10^4 A flowing for a period of 24 hours. Assume the electrolysis is 85% effective.
  5. Chemistry

    How long will it take to collect 1.0 L of H2(g) at STP in the electrolysis of 2.0 M HCl with a current of 4.25 A?
  6. chemistry

    Aluminium is manufactured by electrolysis(electrolytic decomposition) of bauxite, Al2O3. How much aluminium can be obtained from 1kg of pure bauxite?
  7. chemistry

    Electrolysis is carried out for 2.00 h in the following cell. The platinum cathode which has a mass of 25.0782 g, weighs 25.8639g after the electrolysis. The platinum anode weighs the same before and after the electrolysis. there is …
  8. Physics

    A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through an 80.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following?
  9. chemistry

    Molten Al2O3 is reduced by electrolysis at low potentials and high currents. If 1.5 x 10^4 amperes of current is passed through molten Al2O3 for 8.0 hours, what mass of Al is produced?
  10. Chemistry

    For How Long Must A Current Of 1.5 Ampere Be Passed Through An Aqueous Solution Of A Copper Salt During Electrolysis In Order To Deposit 2.50g Of Copper (cu=63.5)

More Similar Questions