Use the reaction and bond information to answer the question. H2 + CO2 → CH2O2

Reactant bond energies: H–H is 432 kJ/mol, C=O is 799 kJ/mol

Product bond energies: C–H is 413 kJ/mol, C=O is 745 kJ/mol, C–O is 358 kJ/mol, O–H is 467 kJ/mol

How much energy must this system absorb before the reaction can begin?

2,030 kJ

2,462 kJ

1,231 kJ

1,663 kJ