1.

What is the Bond energy (In kJ/ mol) of C-H in Methane from the following data? {:(DeltaH_(f) [CO_(2)(g)],,= -394 "kJ/mol"),(DeltaH_(f)[H_(2)O(l)],,= -285 "kJ/mol"),(DeltaH_("siblimation"){"Carbon (graphite)"},,=+716"kJ/mol"),(DeltaH_("combustion")[CH_(4)(g)],,= -890 "kJ/mol"),("Bond energy" (H-H),,=435"kJ/mol"):}

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ANSWER :`415 kJ//mol`


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