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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
Is this system endothermic or exothermic, and why? (1 point)
It is exothermic because more energy is needed to break up the reactants versus the amount given off by the products
It is exothermic because more energy is given off by the products versus the amount needed to break up the reactants. It is endothermic because more energy is needed to break up the reactants versus the amount given off by the products. It is endothermic because more energy is given off by the products versus the amount needed to break up the reactants.
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