Electrochemistry 3: Why iron rusts and how galvanising and chrome plating work.
This animation video looks at the electrochemistry behind the rusting of iron and at the use of zinc and chromium to protect it from rusting. It also considers why copper is unable to protect iron.
Пікірлер: 3
best lecture on this topic.
awesome
Why is the cathode "(+)" and the anode "(-)"? Should it not be the other way? If the cathode receives electrons, will it not be negatively charged? However, I can also see why it could be "(+)", since it will attract the negative electrons. Hmm..