Questions tagged 'Electrochemistry'
7 questions
Feb 19, 2025
A voltaic cell is based on the reaction between Ag^+ and Ni(s) producing Ag(s) and Ni^2+?
In a voltaic cell that involves the reaction between Ag^+ and solid Ni (Ni(s)), resulting in the formation of solid Ag (Ag(s)) and Ni^2+ ions, please provide the following: Write the half-reactions f...
Feb 14, 2025
Copper is electroplated from CuSO4 solution a constant current of 4 amp is applied by an external power of supply?
Copper is electroplated from a CuSO4 solution using a constant current of 4 amps applied by an external power supply. How long will it take to deposit 100 grams of copper? The atomic mass of copper is...
Feb 05, 2025
Is 13.0 mv at 25 °c. calculate the concentration of the zn2 (aq) ion at the cathode?
What is the concentration of Zn²⁺ ions in solution at the cathode when the measured voltage is 13.0 mV at 25 °C?
Nov 12, 2024
All of the following statements concerning voltaic cells are true except 1) oxidation occurs at the cathode. 2) a salt bridge allows
All of the following statements concerning voltaic cells are true except: 1) oxidation occurs at the cathode; 2) a salt bridge allows cations and anions to move between the half-cells; 3) electrons fl...
Oct 24, 2024
chemistry problem help!! please!!?
A student measures the potential of a galvanic cell composed of 1 M CuSO4 in one solution and 1 M AgNO3 in the other. The cell contains a copper electrode in the CuSO4 solution and a silver electrode...
Oct 23, 2024
Purification of copper can be acheived by electrorefining copper from an impure copper anode onto a pure coppe?
The purification of copper can be achieved by electrorefining, where copper is extracted from an impure copper anode and deposited onto a pure copper cathode in an electrolytic cell. How many hours wi...
Is 13.0 mv at 25 °c. calculate the concentration of the zn2 (aq) ion at the cathode?
"The potential is measured to be 13.0 mV at 25 °C. Calculate the concentration of the Zn²⁺(aq) ion at the cathode."