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16. If both of the factors of Question 15 are large energy quantities,
why is a prediction of solubilities of salts so difficult? 17. What is bond energy? Why is the standard heat of formation
of a molecule not the same as the sum of bond energies of all of
the bonds in the molecule? What is the missing component? 18. Why does a simple bond-energy calculation fail for benzene?
19. How does your answer to Question 18 also pertain to the heat
of combustion of carbon-containing substances? |
