If C+O_(2) to CO_(2) + 94.2 K.Cal H_(2) + (1)/(2) O_(2) to H_(2) O + 68.3 K.Cal CH_(4) + 2O_(2) to CO_(2) + 2H_(2) O + 210.8 K.Cal Calculate the enthalpy of formation of CH_(4).

If C+O_(2) to CO_(2) + 94.2 K.Cal H_(2) + (1)/(2) O_(2) to H_(2) O +

1.	If C+O_(2) to CO_(2) + 94.2 K.Cal H_(2) + (1)/(2) O_(2) to H_(2) O + 68.3 K.Cal CH_(4) + 2O_(2) to CO_(2) + 2H_(2) O + 210.8 K.Cal Calculate the enthalpy of formation of CH_(4).
Answer» `47.3` K.CAL `20.0K. Cal` `45.9 K.Cal` `-47.3 K.Cal` ANSWER :B