Question

At 298 K the standard enthalpies of formation
H20() and H202() are -286.0 kJ mol-an
-188.0 kJ mol-1. The enthalpy change for reaction
2H2O2()2H2O( + O2(g) will be
(1) 948 kJ/mol
(2) 196 kJ mol-1
(3) 196 kJ mol-1
(4) +948 kJ mol-1

Answer 1

Answer:

196kJ/mol

Explanation:

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