AP EAMCET Medical 25 Sep 2020 Shift 2 Paper

Question : 122 of 161

Marks: +1, -0

Calculate the change in enthalpy for the reaction 2H2O2(l)⇌2H2O(l)+O2(g). Given the heats of formation of H2O(l) and H2O2(l) are -188 kj. mol−1 and -286 kj.mol−1 respectively.