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  1. Z

    calculating derivative

    Im a first year uni student and i wasnt joking. I forgot how to maths
  2. Z

    calculating derivative

    lol i forgot how to do simple maths someone help please
  3. Z

    sketching voltaic cells

    Ah so its as easy as that, thanks for your help!
  4. Z

    sketching voltaic cells

    for example, Sketch the voltaic cell (electrochemical cell) that could be constructed using a strip of Ni, a strip of Mg, a Mg(NO3)2 solution and a Ni(NO3)2 solution. What determines which is a cathode and which is an anode? I understand anodes are oxidised and cathodes are reduced so the...
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