Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Science
How long does it take to prepare 4.00 g of Al by electrolysis of Al2O3 using a current of 2.50 ampere?
1 answer
Indicate your
specific
subject in the "School Subject" box, so those with expertise in the area will respond to the question.
You can
ask a new question
or
answer this question
.
Similar Questions
Aluminium is manufactured by electrolysis(electrolytic decomposition) of bauxite, Al2O3. How much aluminium can be obtained from
Top answer:
I posted a response at the original post.
Read more.
Molten Al2O3 is reduced by electrolysis at low potentials and high currents. If 1.5 x 10^4 amperes of current is passed through
Top answer:
That's 2 Al for 6e or 1 Al for 3e so that factor should be 2*26.98/6e or 26.98/3e. That doubles the
Read more.
Hydrogen may be obtained from all but one of these methods
a. Electrolysis of methane b. Reaction of a metal on a dilute acid c.
Top answer:
a. Electrolysis of methane (cannot obtain hydrogen through this method)
Read more.
Hydrogen may be obtained from all but one of these methods
a. Electrolysis of methane b. Reaction of a metal on a dilute acid c.
Top answer:
a. Electrolysis of methane (hydrogen cannot be obtained from this method)
Read more.
Given ∆Hºrxn = -1670 kJ/mol for 2Al(s) + (3/2)O2(g) --> Al2O3(s), determine ∆Hº for the reaction 2Al2O3(s) --> 4Al(s) +
Top answer:
No, your calculation is not correct. To determine the ΔHº for the reaction 2Al2O3(s) --> 4Al(s) +
Read more.
1) Determine the equilibrium constant, Keq, at 25°C for the reaction
2Br– (aq) + I2(s) ⇌ Br2(l) + 2I– (aq) My wrong
Top answer:
Sure! I'd be happy to help you step-by-step with these questions. 1) Determining the equilibrium
Read more.
Aluminum and oxygen react to form aluminum oxide.
4 Al + 3 O2 2 Al2O3 a. What is the limiting reactant if 36.4 g Al are reacted
Top answer:
I think the limiting reagent is Al. Your 68.8g, however, is correct for theoretical yield of Al2O3
Read more.
Aluminum and oxygen react to form aluminum oxide.
4 Al + 3 O2 2 Al2O3 a. What is the limiting reactant if 30.7 g Al are reacted
Top answer:
To determine the limiting reactant, theoretical yield, and percent yield for a chemical reaction, we
Read more.
Aluminium is manufactured by electrolysis(electrolytic decomposition) of bauxite, Al2O3. How much aluminium can be obtained from
Top answer:
I'm not sure what you mean by "pure" bauxite. If that implies pure Al2O3 I don't think that is so
Read more.
Aluminum is produced by the electrolysis of aluminum oxide (Al2O3, bauxite ore) dissolved in molten cryolyte (Na2AlF6).
Top answer:
To calculate the mass of aluminum that can be produced in one day, we need to determine the amount
Read more.
Related Questions
A sample weighing 3.064 g is a mixture of Fe2O3 (molar mass = 159.69) and Al2O3 (molar mass = 101.96).
When heat and a stream of
Use the data in the table to calculate the Delta G0 of the following reaction at 298k:
Al2O3 ---> Delta G fusion -1582.3 HCl---->
Calculate the enthalpy change (delta H) in kJ for the following reaction.
2Al(s) + Fe2O3 (s) ==> 2 Fe(s) + Al2O3(s) use enthalpy
Fe2O3 + 2Al --> 2Fe + Al2O3
How many grams of Fe will form when 97.6g Al2O3 form? Please & Thank you
17kg of aluminum was produced from 51kg of aluminum oxide (Al2O3) by electrolysis. What was the percentage yield (AR,
If the reaction of 2.5 g of Al with 2.5 g of O2 produced 3.5 g of Al2O3, what is the percent yield of Al2)3? Be sure to write
Given the thermochemical equation:
2 Al(s) + 3/2 O2(g) > Al2O3(s) ΔH = -95.7 kJ find the heat of reaction, ΔH, for the
1_ Al in 1.200 g impure [NH4Al (SO4) 2] (237 g / mol) is precipitated with NH3 as Al2O3 × H2O. The precipitate is filtered
for how long must a current of 1.5 amperes be passed through an aqueous solution of a copper salt during electrolysis in order
In a chemical reaction, 10 moles of the element aluminum react with 7.5 moles of oxygen gas. This produces 5 moles of aluminum