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Questions tagged 'Electrochemistry'

7 questions

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Sydnie Bogan

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...

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...

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?

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...

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Alexa Lakin

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...

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Lizzie Hintz

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...

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Anonymous

Oct 18, 2024

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."