Consider the following process. CH4 (e) + 202 (g) → CO2 (e) + 2H2O(®) AH = -802 kJ %3D A) Is the reaction exothermic or endothermic? B) What is the enthalpy change for the following reaction? 1/2CH4 (e) + O2 (2) → 1/2 CO2 (g) + H2O(e)

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