The apparatus shows electrolysis used to split water into hydrogen and oxygen:

CHEMISTRY · Subjective · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

The apparatus shows electrolysis used to split water into hydrogen and oxygen: 2H2O(l)→2H2(g)+O2(g)2\mathrm{H_2O}(l)\to2\mathrm{H_2}(g)+\mathrm{O_2}(g). How can you explain the observed difference in volumes of the two gases produced?

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