Suppose that you have a solution of CdSO4 through which an electric current of 1.5 A...
Suppose that you have a solution of CdSO4 through which an electric current of 1.5 A has flowed for 409 minutes. How many grams of cadmium would you expect to be deposited?
Homework Answers
Here n is the valency of Cd =2
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Suppose that you have a solution of CdSO4 through which an
electric current of 1.5 A...
How many grams of cobalt metal will be deposited from a solution that contains Co2+ions if a current of 0.883 A is appli...
How many grams of cobalt metal will be deposited from a solution that contains Co2+ions if a current of 0.883 A is applied for 37.8 minutes. grams
How many grams of lead metal will be deposited from a solution that contains Pb2+ions if a current of 0.593 A is applied...
How many grams of lead metal will be deposited from a solution that contains Pb2+ions if a current of 0.593 A is applied for 28.1 minutes.
A student provides a current of 8.00 amps through a solution of Co(NO3)2 (aq) for 6.00...
A student provides a current of 8.00 amps through a solution of Co(NO3)2 (aq) for 6.00 hrs. The voltage is such that cobalt metal is deposited at the cathode. How many grams of cobalt metal are made? 52.7 g 62.4 g 40.7 g 81.4 g 31.2 g
A student provides a current of 8.000 amps through a solution of Co3+ (aq). The voltage...
A student provides a current of 8.000 amps through a solution of Co3+ (aq). The voltage is such that cobalt metal is deposited at the cathode. How long must the current be applied to plate 50.00 grams of Co(s)?
How many grams of chromium metal will be deposited from a solution that contains Cr^3+ ions...
How many grams of chromium metal will be deposited from a solution that contains Cr^3+ ions if a current of 1.01 A is applied for 40.2 minutes. Answer in______________ grams? How many grams of cobalt metal will be deposited from a solution that contains Co^2+ ions if a current of 0.517 A is applied for 40.5 minutes. Answer in_____________ grams? How many grams of cobalt metal will be deposited from a solution that contains Co^2+ ions if a current of...
A current of 0.50 amperes flowed through a cell for two hours in which CuSO_4 is...
A current of 0.50 amperes flowed through a cell for two hours in which CuSO_4 is the electrolyte. a. Write the anode reaction for the cell. b. How many Coulombs of electricity are generated? c. How many Faradays arc generated? d. How many moles of electrons arc generated? e. Calculate the change in mass of the cathode of this cell.
a) A current of 5.11 A is passed through a Cr(NO3)2 solution. How long, in hours,...
a) A current of 5.11 A is passed through a Cr(NO3)2 solution. How long, in hours, would this current have to be applied to plate out 6.10 g of chromium? b) A current of 3.51 A is passed through a Sn(NO3)2 solution for 1.20 h. How much tin, in grams, is plated out of the solution?
An Electric Generator and an Electric Motor How are electric motors related to electric generators? Find the device pictured below, which is a direct-current electric generator. In this case, you pro...
An Electric Generator and an Electric Motor How are electric motors related to electric generators? Find the device pictured below, which is a direct-current electric generator. In this case, you provide the mechanical means of rotating the rotor by turning the crank. Plug the wire with dual alligator clips into the end of the electric generator, and attach these clips to a light-emitting diode (LED): hand-operated electric generator LED box Electric currents created by the magnetic forces present in a...
2. Faraday's Experiment. Because of some AV, a current of 1 amp flows through a silver...
2. Faraday's Experiment. Because of some AV, a current of 1 amp flows through a silver solution, and after a minute, 0.06709 grams of silver are deposited on the electrodes. a. How many electrons flow in one minute? b. From this experiment, what's the mass of a Ag atom in grams? c. Determine the molar mass of Ag (i.e. g/mole)
Suppose a current of 0.810 A flows through a copper wire for 30.0 minutes. Calculate how...
Suppose a current of 0.810 A flows through a copper wire for 30.0 minutes. Calculate how many moles of electrons travel through the wire. Be sure your answer has the correct unit symbol and the correct number of significant digits.
A current of 0.50 amperes flowed through a cell for two hours in which CuSO_4 is the electrolyte. a. Write the anode reaction for the cell. b. How many Coulombs of electricity are generated? c. How many Faradays arc generated? d. How many moles of electrons arc generated? e. Calculate the change in mass of the cathode of this cell.
An Electric Generator and an Electric Motor How are electric motors related to electric generators? Find the device pictured below, which is a direct-current electric generator. In this case, you provide the mechanical means of rotating the rotor by turning the crank. Plug the wire with dual alligator clips into the end of the electric generator, and attach these clips to a light-emitting diode (LED): hand-operated electric generator LED box Electric currents created by the magnetic forces present in a...
2. Faraday's Experiment. Because of some AV, a current of 1 amp flows through a silver solution, and after a minute, 0.06709 grams of silver are deposited on the electrodes. a. How many electrons flow in one minute? b. From this experiment, what's the mass of a Ag atom in grams? c. Determine the molar mass of Ag (i.e. g/mole)
Suppose a current of 0.810 A flows through a copper wire for 30.0 minutes. Calculate how many moles of electrons travel through the wire. Be sure your answer has the correct unit symbol and the correct number of significant digits.
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