(1). Assuming 100% current efficiency, the electrolysis of an aqueous solution of Cr2(SO4)3 for 158 min...
(1). Assuming 100% current efficiency, the electrolysis of an aqueous solution of Cr2(SO4)3 for 158 min using a constant current of 11.1 A would result in the deposition of ___ g of Cr.
Homework Answers
According Faraday's first law of electrolysis mass of any substance deposited on electrode is proportional to quantity of electricity passed though the solution
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(1). Assuming 100% current efficiency, the electrolysis of an
aqueous solution of Cr2(SO4)3 for
158 min...
5- An aqueous Ti(NO3)3 solution was electrolyzed for 45 min to deposit 6.18 grams of Titanium....
5- An aqueous Ti(NO3)3 solution was electrolyzed for 45 min to deposit 6.18 grams of Titanium. What is the constant current (in Amps) used in this electrolysis? (molar mass of Ti = 47.87 g/mol, Faraday Cte = 96,485 C/mole e")
1. You need to make an aqueous solution of 0.165 M barium acetate for an experiment...
1. You need to make an aqueous solution of 0.165 M barium acetate for an experiment in lab, using a 250 mL volumetric flask. How much solid barium acetate should you add? _______grams 2. How many milliliters of an aqueous solution of 0.200 M chromium(III) sulfate is needed to obtain 7.17 grams of the salt? ________ mL 3. You wish to prepare 229 grams of 22.8 % Ba(CH3COO)2. You will need _______ grams of barium acetate and _______ mL of...
2. 6.4 KB) ELECTROLYSIS PROBLEMS 1. How many faradays are transferred in an electrolytic cell when...
2.
6.4 KB) ELECTROLYSIS PROBLEMS 1. How many faradays are transferred in an electrolytic cell when a current of 2.0 A flows for 12 hours? (1 faraday - 96,500 C) 2. A metal object is to be gold-plated by an electrolytic procedure using aqueous AuCl; electrolyte. How much gold may be deposited in 30 min by a constant current of 10.0 A? 3. What mass of nickel may be electropiated by passing a constant current of 7.2 A through a...
. solution. the followi stions, consider a 2.25 M H₂SO4 saut (stock) 1) What is the pH? 2) how would you prepare 15...
. solution. the followi stions, consider a 2.25 M H₂SO4 saut (stock) 1) What is the pH? 2) how would you prepare 150ml of 100M solution - using the stock solution? 3) what is the concentration the concentration of of a K2804 H loome of a 2.00M KOM (as) solution to 75 mL of the stock solution? if noe added. is 4) how much water would you need to add to 100 mc of the stock solution make an aqueous...
Part 2: Copper Electrolysis 1. Fill the table with the raw data collected from your copper...
Part 2: Copper Electrolysis 1. Fill the table with the raw data collected from your copper electrolysis Run # Time Initial Anode Mass (g) Final Anode Mass (g) 11.005 Initial Cathode Mass (9) 10.5 Final Cathode Mass (g) 10.995 Current (A) Time (min) 5:00 300 11.5 11.5 5.00 Amps 2.50 A 2 10.762 10.5 11.238 15:00 900 دیا 10.906 10.5 11.094 1.00 A 30:00 1800 11.5 1 2. Calculate the experimental mass loss at the anode and the experimental mass...
Calculate the diffusion coefficient for the protein cytochrome c in aqueous solution assuming sphericity and using...
Calculate the diffusion coefficient for the protein cytochrome c in aqueous solution assuming sphericity and using the Stokes-Einstein equation at 25degree C. The hydrodynamic radius is R =19.0 Angstroms. The viscosity of water is 1.00 cP = 0.00100 kg/m-s. D_cytc =__m^2/s. If the critical reaction distance is the sum of their radii, what value is expected for the Smoluchowski theory second order rate constant for a diffusion controlled reaction between two cytochrome c's? k_d = Lmol^-1s^-1 What would be the...
Can someone answer all #15 Questions. Thanks 12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET...
Can
someone answer all #15 Questions. Thanks
12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET 10 due April 24, 2017 For each question, write the letter of the correct answer inthe column onthe right. 1. What mass of chromium can be deposited byelectrolysis of an aqueous solution of Cra(soda for 160 min using a constant current of 15.0 A? (F 9648SC/mol AO 0431 g c) 232.8 g DO 0.187g 2. Copper is electroplated from Cusoesolution. A constant current of...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV Define a suitable power circuit topology to meet the above specification? Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the output...
Questions 15-17 utilize the following balanced chemical equation: 2 K2CrOdaq) + 3 SO2(g) + 4 HCl(aq)...
Questions 15-17 utilize the following balanced chemical equation: 2 K2CrOdaq) + 3 SO2(g) + 4 HCl(aq) → Cr2(SO4)3(s) + 4 KCl(aq) + 2 H2011) 15. Toxic chromate can be precipitated from an aqueous solution by bubbling SO2(g) through the solution How many moles of the gas are required to treat 3.00 x 10L of a solution that is 3.70 x 10 Min potassium chromate (KaCrO4) according to the above reaction? A. 2250 mol B. 1000 mol C. 1670 mol D....
What combination of metals together with their 1 mol/L salt solutions would give an electrochemical cell...
What combination of metals together with their 1 mol/L salt solutions would give an electrochemical cell with the highest voltage? a. Mg and Fe b. Mg and Ag c. Mg and Al d. Zn and Cu How much electrical current will be required to deposit 0.500 g of nickel from an aqueous solution of Ni(NO 3) 2 if the available time for electrolysis is 100. minutes? a. 0.273 A b. 8.20 A c. 16.4 A d. 0.135 A What are...
5- An aqueous Ti(NO3)3 solution was electrolyzed for 45 min to deposit 6.18 grams of Titanium. What is the constant current (in Amps) used in this electrolysis? (molar mass of Ti = 47.87 g/mol, Faraday Cte = 96,485 C/mole e")
2.
6.4 KB) ELECTROLYSIS PROBLEMS 1. How many faradays are transferred in an electrolytic cell when a current of 2.0 A flows for 12 hours? (1 faraday - 96,500 C) 2. A metal object is to be gold-plated by an electrolytic procedure using aqueous AuCl; electrolyte. How much gold may be deposited in 30 min by a constant current of 10.0 A? 3. What mass of nickel may be electropiated by passing a constant current of 7.2 A through a...
. solution. the followi stions, consider a 2.25 M H₂SO4 saut (stock) 1) What is the pH? 2) how would you prepare 150ml of 100M solution - using the stock solution? 3) what is the concentration the concentration of of a K2804 H loome of a 2.00M KOM (as) solution to 75 mL of the stock solution? if noe added. is 4) how much water would you need to add to 100 mc of the stock solution make an aqueous...
Part 2: Copper Electrolysis 1. Fill the table with the raw data collected from your copper electrolysis Run # Time Initial Anode Mass (g) Final Anode Mass (g) 11.005 Initial Cathode Mass (9) 10.5 Final Cathode Mass (g) 10.995 Current (A) Time (min) 5:00 300 11.5 11.5 5.00 Amps 2.50 A 2 10.762 10.5 11.238 15:00 900 دیا 10.906 10.5 11.094 1.00 A 30:00 1800 11.5 1 2. Calculate the experimental mass loss at the anode and the experimental mass...
Calculate the diffusion coefficient for the protein cytochrome c in aqueous solution assuming sphericity and using the Stokes-Einstein equation at 25degree C. The hydrodynamic radius is R =19.0 Angstroms. The viscosity of water is 1.00 cP = 0.00100 kg/m-s. D_cytc =__m^2/s. If the critical reaction distance is the sum of their radii, what value is expected for the Smoluchowski theory second order rate constant for a diffusion controlled reaction between two cytochrome c's? k_d = Lmol^-1s^-1 What would be the...
Can
someone answer all #15 Questions. Thanks
12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET 10 due April 24, 2017 For each question, write the letter of the correct answer inthe column onthe right. 1. What mass of chromium can be deposited byelectrolysis of an aqueous solution of Cra(soda for 160 min using a constant current of 15.0 A? (F 9648SC/mol AO 0431 g c) 232.8 g DO 0.187g 2. Copper is electroplated from Cusoesolution. A constant current of...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV Define a suitable power circuit topology to meet the above specification? Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the output...
Questions 15-17 utilize the following balanced chemical equation: 2 K2CrOdaq) + 3 SO2(g) + 4 HCl(aq) → Cr2(SO4)3(s) + 4 KCl(aq) + 2 H2011) 15. Toxic chromate can be precipitated from an aqueous solution by bubbling SO2(g) through the solution How many moles of the gas are required to treat 3.00 x 10L of a solution that is 3.70 x 10 Min potassium chromate (KaCrO4) according to the above reaction? A. 2250 mol B. 1000 mol C. 1670 mol D....
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