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Change in enthalpy for reaction, 2H2O2(1) ► 2H2O(l) + O2(g) if the heat of formation of H2O2(1) and H2O(l) are -188 and -286 kJ/mol respectively is (b) + 196 (a)-196 kJ/mol kJ/mol (C) +948 kJ/mol (d)-948 kJ/mol (a) (b) (c) (d)

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