s1asweetPhi s1asweetPhi

19-03-2017
Physics

Answered

Which means for obtaining hydrogen from water would require the most energy??

Verified Answer :

Anonymous Anonymous

30-03-2017

I think the correct answer would be to electrolyze water (run an electric current through it) to decompose it into hydrogen and oxygen. Assuming 100% efficiency, it is said that it needs about 40kWh per kilogram of water to fully decompose it.

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