Question

. At 298 K the standard enthalpies of formation of
H2O(l) and H,0,(l) are -286.0 kJ mol and
-188.0 kJ mol-1. The enthalpy change for reaction
2H,02()→2H20(1) + O2(g) will be
(1) - 948 kJ/mol
24 - 196 kJ mol-1
(3) + 196 kJ mol-1
(4) + 948 kJ mol-1​

Answer 1

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Explanation:

Answer 2

Explanation:

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