What can be done to increase copper gained from electroplating?
What can be done to increase copper gained from electroplating?
Homework Answers
During electroplating of copper, following reaction takes place,
Cu2+ + 2e > Cu(s)
Reduction of copper takes place and it get deposited on the electrode,
In order to increase the amount of deposited copper, higher amount of current can be passed through electrolyte and for longer duration,
These two factor will increase amount of Copper deposit.
B. Copper Electroplating 1.352 Initial Mass of Copper Anode Final Mass of Copper Anode Mass of Copper lost at Anode Moles of Copper lost at Anode Moles of Electrons produced at Anode Coulom...
B. Copper Electroplating 1.352 Initial Mass of Copper Anode Final Mass of Copper Anode Mass of Copper lost at Anode Moles of Copper lost at Anode Moles of Electrons produced at Anode Coulombs of Charge passed through the cell Total time current flowed (sec) Average Current (amperes) 11 3so i 00 B. Copper Electroplating minte Initial Mass of Copper Anode Final Mass of Copper Anode Mass of Copper lost at Anode Moles of Copper lost at Anode Moles of Electrons...
Jill performs the electroplating experiment and calculates the theoretical mass of copper to be plated as...
Jill performs the electroplating experiment and calculates the theoretical mass of copper to be plated as 1.798 g. She weighed the brass disc (which was plated in the experiment) before and after the electroplating process: mass of disc before = 2.118 g mass of disc after = 3.183 g What was the percent yield of Jill's electroplating process? Recall, % yield = actual/theoretical x 100%. Report your response to one digit after the decimal.
Electroplating Postlab Questions 1. Suppose that you have the opportunity to be the first in the ...
Electroplating Postlab Questions 1. Suppose that you have the opportunity to be the first in the world to come up witha your data for the number of Coulombs of charge passed and the number of moles of value of Faraday's constant -never mind we al ready know it is 96485 C/mol e. Using copper actually lost from the copper electrode in your experiment, what would you predict for the value of Faradays constant? Show your work. What is the percent...
In an electroplating process, copper (ionic charge +2e, atomic weight 63.6 g/mol) is deposited using a...
In an electroplating process, copper (ionic charge +2e, atomic weight 63.6 g/mol) is deposited using a current of 10.0 A. What mass of copper is deposited in 10.0 minutes? Avogadro's number is 6.022
How much heat is gained by copper when21.8 g of copper is warmed from 15.5 degree...
How much heat is gained by copper when21.8 g of copper is warmed from 15.5 degree C to 96.4 degree C? The specific heat of copper is 0.385 J/(g middot degree C). Select one: a. 213 J b. 679 J c. 902 J d. 451 J
Electroplating (Electrolytic Cells) The data in the table above was collected from a simulation at a...
Electroplating (Electrolytic Cells)
The data in the table above was collected from a simulation at
a current of 10 amperes at 6.00 V for 20:00 minutes.
Initial mass of Ag (g) Final mass of Ag (g) Mass of Cu deposited on Ag (g) 13,95g Analysis Questions: Part III (show setups for any calculations) 1. Is electroplating a spontaneous reaction, or does it require energy? 2. What attracts the copper onto the silver electrode? 3. State the direction of electron flow...
4. A copper wire carries a constant current of 125 A to an electroplating tank as...
4. A copper wire carries a constant current of 125 A to an electroplating tank as in figure 4. 1 cm of this wire longitudinal section formed at the points P1 and P2 at a distance of 1.2 m from the section Find the fields. — P1 P2 1.2 m 1.2 m 125 A 30°7 125 A D-X AK 1.0 cm
How many grams of copper can be cooled from 66.8 to 20.3 °C by the heat...
How many grams of copper can be cooled from 66.8 to 20.3 °C by the heat gained by 100.0 g of water that has an increase in temperature from 24.7 to 33.6 °C? Answer in joules and in calories
After electroplating, why do you need to wash the copper anode and cathode with distilled water...
After electroplating, why do you need to wash the copper anode and cathode with distilled water and acetone before weighing them? what would happen if you didn't do this step before weighing them?
What type of information can be gained from an SDS-PAGE? Thanks!
What type of information can be gained from an SDS-PAGE? Thanks!
B. Copper Electroplating 1.352 Initial Mass of Copper Anode Final Mass of Copper Anode Mass of Copper lost at Anode Moles of Copper lost at Anode Moles of Electrons produced at Anode Coulombs of Charge passed through the cell Total time current flowed (sec) Average Current (amperes) 11 3so i 00 B. Copper Electroplating minte Initial Mass of Copper Anode Final Mass of Copper Anode Mass of Copper lost at Anode Moles of Copper lost at Anode Moles of Electrons...
Electroplating Postlab Questions 1. Suppose that you have the opportunity to be the first in the world to come up witha your data for the number of Coulombs of charge passed and the number of moles of value of Faraday's constant -never mind we al ready know it is 96485 C/mol e. Using copper actually lost from the copper electrode in your experiment, what would you predict for the value of Faradays constant? Show your work. What is the percent...
How much heat is gained by copper when21.8 g of copper is warmed from 15.5 degree C to 96.4 degree C? The specific heat of copper is 0.385 J/(g middot degree C). Select one: a. 213 J b. 679 J c. 902 J d. 451 J
Electroplating (Electrolytic Cells)
The data in the table above was collected from a simulation at
a current of 10 amperes at 6.00 V for 20:00 minutes.
Initial mass of Ag (g) Final mass of Ag (g) Mass of Cu deposited on Ag (g) 13,95g Analysis Questions: Part III (show setups for any calculations) 1. Is electroplating a spontaneous reaction, or does it require energy? 2. What attracts the copper onto the silver electrode? 3. State the direction of electron flow...
4. A copper wire carries a constant current of 125 A to an electroplating tank as in figure 4. 1 cm of this wire longitudinal section formed at the points P1 and P2 at a distance of 1.2 m from the section Find the fields. — P1 P2 1.2 m 1.2 m 125 A 30°7 125 A D-X AK 1.0 cm
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