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Question

Using the table of average bond energies below, what is the ΔH (in kJ) for the reaction: C≡O (g) + 2 H2 (g) ⟶ H3C–O–H (g) Bond D (kJ/mol) C–O 358kJ/mol C=O 799kJ/mol C≡O 072kJ/mol C–H 413kJ/mol H–H 436kJ/mol O–H 463kJ/mol Group of answer choices +1123 -276 -116 -735 +687