is H2O2(aq) -> H2O(l) + O2(g) reversible why or why not and what is aq, l and g mean please explain and don't do links pleas thanks a lot

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.