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Refer to the Chemical Equation Below

Question 80

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Refer to the chemical equation below.
2 H2O + 572 kJ 2 H2 + O2
According to the law of _______, the sum of the bond energies in 2 moles of water plus 572 kJ equals the sum of the bond energies in 2 moles of hydrogen gas and 1 mole of oxygen gas.

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