The standard enthalpies of formation of S(g), F(g),
Chapter 13, Problem 13.63(choose chapter or problem)
The standard enthalpies of formation of S(g), F(g), SF4(g), and SF6(g) are 1278.8 kJ/mol, 179.0 kJ/mol, 2775 kJ/mol, and 21209 kJ/mol, respectively. a. Use these data to estimate the energy of an SOF bond. b. Compare the value that you calculated in part a with the value given in Table 13.6. What conclusions can you draw? c. Why are the DHf 8 values for S(g) and F(g) not equal to zero, even though sulfur and fluorine are elements?
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