What mass (in grams) of Cu (s) is generated by running current of 15.0 A through...
What mass of Cu(s) is electroplated by running 25.5 A of current through a Cu2+(aq) solution for 4.00 h? Express your answer to three significant figures and include the appropriate units.
What mass of Cu(s) is electroplated by running 30.0 A of current through a Cu2+(aq)Cu2+(aq) solution for 4.00 hours?
When electricity (the flow of electrons) is passed through a solution, it causes an oxidation-reduction (redox) reaction to occur. If the solution contains a metal cation such as Ag+, the flow of electrons will reduce the silver ion, causing solid silver to plate onto the electrode. The amount of metal plated depends on the number of electrons passed. The total charge of a mole of electrons is 96,485 coulombs (C) and 1 ampere (A) = 1 coulomb/second (C/s) Part A...
Consider the following reaction: 2 Ag+(aq) + Cu(s)->2 Ag(s) + Cu2+(aq) Ecell^o = +0.46V Suppose an external power source is applied with a current of 1.50 A such that the reaction is reversed and electrolysis occurs. (a) If the current is applied for 2.00 hours, how many grams of Cu(s) could be recovered? What is the minimum mass of the silver electrode required to recover this mass of copper? (b) What is the minimum amount of work that must be...
What mass of gold is produced when 7.20 A of current are passed through a gold solution for 37.0 min ? Express your answer with the appropriate units. t Gold Electroplating 6 of 6 Constants| Periodic Table Part A Metal plating is done by passing current through a metal solution. For example, an item can become gold plated by attaching the item to a power source and submerging it into a Au+ solution. The item itself serves as the cathode,...
Part A and B Please show all of the steps Analysis of Electroplating When electricity (the flow of electrons) is passed through a solution, it causes an oxidation-reduction (redox) reaction to occur. If the solution contains a metal cation such as Ag+, the flow of electrons will reduce the silver ion, causing solid silver to plate onto the electrode. The amount of metal plated depends on the number of electrons passed. The total charge of a mole of electrons is...
A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(I), [Cu(NH). If a standard hydrogen electrode is used as the cathode, the cell potential, Ecell, is found to be 0.074 V at 298 K Constants Periodic Table Use the standard reduction potentials shown here to answer the questions Reduction half-reaction E (V) Cu2+ (aq) 2e Cu(s) 0.337 2H + (aq) + 2e →H, (g) | 0.000 ▼ Part A...
Copper plating was accomplished using either graphite or copper as the electrodes. How would you expect the copper(II) ion concentration of the solution change (i.e. would [Cu2] increase, decrease, or remain the same?) during the plating process if the graphite anode were replaced with a copper one in the electrolysis of CuBr2? Explain your answer 5. Calculate the mass and thickness in mm of the chromium plate on an object if a current of 450.0 mamps were allowed to flow...
Consider a galvanic cell that uses the reaction Cu (s) + 2Fe+ (aq) Cu2+ (aq) + 2Fe+ (aq) Part A What is the potential of a cell at 25 C that has the following ion concentrations? Fel 1 - 1.5x10-4M. Cu2+1 -0.29 M. Fe2+1 -0.18 M Express your answer to two significant figures and include the appropriate units. HA ? Value Units Submit Resvest Answer A galvanie cel has an iron electrode in contact with 0.19 M FeSO, and a...
ch.19 answer each of them please Part A What mass of lead sulfate is formed in a lead-acid storage battery when 1.12 g of Pb undergoes oxidation? IVO AQ ? Submit Request Answer Part A What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 29 A? Express your answer using two significant figures. VO AXO ? mo 8 Submit Request Answer Copper can be electroplated at the...