Which is anode and which is cathode? - Chemistry Stack Exchange
Feb 15, 2017 · The cathode is the electrode, where substances are gaining electrons and are reduced. The tricky part for the memorising is, anodes and cathodes flip the position, when the …
Positive or Negative Anode/Cathode in Electrolytic/Galvanic Cell
Sep 27, 2014 · 65 In a galvanic (voltaic) cell, the anode is considered negative and the cathode is considered positive. This seems reasonable as the anode is the source of electrons and …
Half cells: difference between E (cell) = E (cathode}-E (anode) & E ...
2 When do I use each of the above? If I use one or the other they give me difference results. For example, I'm trying to put the Volts into an equation to find standard free energy change. …
Direction of flow of current in electrolytic cell [duplicate]
Sep 13, 2017 · In an electrolytic cell, does current flow from Anode to Cathode or Cathode to Anode I've seen various websites, including this and this, but they seem to contradict each other.
Cathode + Anode + Rechargeable battery - Chemistry Stack …
May 15, 2014 · The cathode is a metal oxide and the anode consists of porous carbon. During discharge, the ions flow from the anode to the cathode through the electrolyte and separator; …
Why is the anode in a galvanic cell negative, rather than positive ...
Feb 18, 2022 · Similarly in diagrams comparing galvanic and electrolytic cells, electrons move away from the anode to the cathode in the electrolytic cell, making the anode positive. This …
physical chemistry - How to correctly define anode and cathode ...
Sep 9, 2020 · How to correctly define anode and cathode? Ask Question Asked 10 years, 9 months ago Modified 5 years, 2 months ago
Why is mass gained at the cathode? - Chemistry Stack Exchange
Apr 2, 2017 · 0 So with the cathode, there were no $\mathrm {Cu}^ {2+}$ ions that initially dissolved in the solution. Rather, they were there from the beginning and once the copper …
electrolysis - Is a pure copper cathode necessary in the electrolytic ...
Nov 27, 2024 · The cathode (a thin copper sheet) is simply left in the final product of the refinery (a thick copper plate) - no one needs them separated, they are the same substance. The new …
Why do they use graphite electrodes in the Hall–Héroult process?
During the electrolysis process, aluminium is deposited at the cathode and oxygen is liberated at the anode. Some of this oxygen reacts with the carbon in the graphite to form carbon-dioxide, …