• Question: hi jon how do you turn water into hydrogen and oxygen

    Asked by peterjnr to Jon on 19 Mar 2012. This question was also asked by callumhilton, stellastar, croso001.
    • Photo: Jon Benton

      Jon Benton answered on 19 Mar 2012:


      Well in order to make water turn back into hydrogen and oxygen you have to put enough energy in to overcome the bond energy of the hydrogen and water. Normally this process is conducted via electrolysis and it takes approximately 1.23 V to split water apart. It is quite energy intensive!