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.

Question

08-02-2022
Chemistry

Answered

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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.

Use The Reaction And Bond Information To Answer The QuestionH CO CHO2 Reactant Bond Energies HH Is 432 KJmol CO Is 799 KJmol Product Bond Energies CH Is 413 KJm class=

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