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Bond Bond Energy Bond Bond Energy Bond Bond Energy 436 C-s 260 E-Cl 255 H-C 415 C-Cl 330 F-er 235 H-N 390 C-Br 275 Si-si 230Average Bond Lengths and Bond Energies for some common Bonds Bond Length (A) Bond Energy (kJ/mol Bond 1.54 345 C=C 1.34 611 C

1. Using Table 7.2 and 7.3 from Section 7.5Opens externally of the OpenStax textbook entitled Chemistry 2E by Flowers, Leopold et al. what is the enthalpy change, ∆H for the decomposition of hydrogen iodide 2 HI → I2 + H2 kJ/mol

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