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Consider the reaction CH4(g) + X2(g) → CH3X(g) + HX(g) , where X is a halogen-like atom (Group 7A). Calculate ?H for this reaction if bond energy tables give the following values:C H: 416kJ/mol X X: 200kJ/mol
H X: 287kJ/mol C X: 230kJ/mol Answer in units of kJ/mol.

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