Calcium is obtained industrially by electrolysis of molten CaCl2 and is used in aluminum alloys. How...
Calcium is obtained industrially by electrolysis of molten
CaCl2 and is used in aluminum alloys. How many coulombs
are needed to produce 19.2 g of Ca metal? If a cell runs at 15 A,
how many minutes will it take to produce 19.2 g of
Ca(s)?
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Calcium is obtained industrially by electrolysis of molten
CaCl2 and is used in aluminum alloys. How...
Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis apparatus operates...
Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis apparatus operates at 21.20 A, how many grams of calcium metal will be produced in 48 hours?
Aluminum metal is produced by electrolysis from molten aluminum oxide. The cell operates at 8.0V with...
Aluminum metal is produced by electrolysis from molten aluminum oxide. The cell operates at 8.0V with a current of 4.0 *104 amps. How many kilowatt hours of electricity is used to produce 1.00kg of aluminum metal?
Elemental calcium is produced by the electrolysis of molten CaCl2. A) What mass of calcium can...
Elemental calcium is produced by the electrolysis of molten CaCl2. A) What mass of calcium can be produced by this process if a current of 6600 A is applied for 50 h? Assume that the electrolytic cell is 66 % efficient. Express your answer using two significant figures. *incorrect answer = 8.1 x 10^8 g; 8.6 x 10^8 g B) What is the minimum voltage needed to cause the electrolysis? Express your answer using three significant figures.
Elemental calcium is produced by the electrolysis of molten CaCl2. How many kilograms of calcium can...
Elemental calcium is produced by the electrolysis of molten CaCl2. How many kilograms of calcium can be produced by this process if a current of 5,196 A is applied for 31 h? (F=96485 C/mol e-)
Metallic aluminum can be made by the electrolysis of molten A.O. (a) What mass of N...
Metallic aluminum can be made by the electrolysis of molten A.O. (a) What mass of N is formed by passing a current of 7.65 A through molten Al., for 3.80 days? The unbalanced chemical reaction representing this electrolysis is shown below. Alo Alto g of Al is formed by this electrolysis, (b) How many minutes are needed to plate out 20.00 g of Al from molten Als, using 7.48 A current? minutes are needed
1. Electrolysis of molten chromium bromide (CrBr3) a. Determine the minimum voltage that must be applied...
1. Electrolysis of molten chromium bromide (CrBr3) a. Determine the minimum voltage that must be applied to a cell containing molten CrBr3 in order for electrolysis to occur b.If 3.65 V is applied for 85 minutes, what mass of Cr(s) will be produced? c. If 15.00 A of voltage is applied, how long would it take to produce 25.0 g of Cr(s)?
For the electrolysis of molten chromium bromide (CrBr3) (The minimum voltage that must be applied to...
For the electrolysis of molten chromium bromide (CrBr3) (The minimum voltage that must be applied to a cell containing molten CrBr3 in order for electrolysis to occur is 1.83V.) Cr3+ (aq) + 3 e− ⟶ Cr(s) −0.744 Br2(aq) + 2 e− ⟶ 2 Br−(aq) +1.0873 a) Identify the reaction that occurs at the anode and the cathode. b) If 3.65 V is applied for 85 minutes, what mass of Cr(s) will be produced? c) If 15.00 A of voltage is applied, how long would...
An electrolysis cell is used to produce sodium from molten sodium chloride. How many kilograms of...
An electrolysis cell is used to produce sodium from molten sodium chloride. How many kilograms of sodium are produced each hour if the cell operates with a supplied current of 1000 Amperes? (Faraday’s Constant, F = 96,500 C mol-1)
Semimetallic silicon can be made by the electrolysis of molten SiO2. (a) What mass of Si...
Semimetallic silicon can be made by the electrolysis of molten
SiO2.
(a) What mass of Si is formed by passing a current of 5.50 A
through molten SiO2 for 2.70 days? The unbalanced chemical reaction
representing this electrolysis is shown below.
SiO2 Si + O2
(see rest in photo)
38. -/0.1 points 0/4 Submissions Used My Notes Semimetallic silicon can be made by the electrolysis of molten SiO2. (a) What mass of Si is formed by passing a current of...
38. -10.1 points 0/4 Submissions Used Metallic iron can be made by the electrolysis of molten f os (a) What mass of...
38. -10.1 points 0/4 Submissions Used Metallic iron can be made by the electrolysis of molten f os (a) What mass of fe is formed by passing a current of 605 A through molte s for 3.0 days? The unbalanced chemical reaction representing this electrolysis is shown below. Fe Oy --Fe+ of fe is formed by this electrolysis D) How many minutes are needed to plate out 6.00 of fe from molten fe, using current? minutes are needed
Metallic aluminum can be made by the electrolysis of molten A.O. (a) What mass of N is formed by passing a current of 7.65 A through molten Al., for 3.80 days? The unbalanced chemical reaction representing this electrolysis is shown below. Alo Alto g of Al is formed by this electrolysis, (b) How many minutes are needed to plate out 20.00 g of Al from molten Als, using 7.48 A current? minutes are needed
Semimetallic silicon can be made by the electrolysis of molten
SiO2.
(a) What mass of Si is formed by passing a current of 5.50 A
through molten SiO2 for 2.70 days? The unbalanced chemical reaction
representing this electrolysis is shown below.
SiO2 Si + O2
(see rest in photo)
38. -/0.1 points 0/4 Submissions Used My Notes Semimetallic silicon can be made by the electrolysis of molten SiO2. (a) What mass of Si is formed by passing a current of...
38. -10.1 points 0/4 Submissions Used Metallic iron can be made by the electrolysis of molten f os (a) What mass of fe is formed by passing a current of 605 A through molte s for 3.0 days? The unbalanced chemical reaction representing this electrolysis is shown below. Fe Oy --Fe+ of fe is formed by this electrolysis D) How many minutes are needed to plate out 6.00 of fe from molten fe, using current? minutes are needed
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