A reaction involved in the formation of ozone in the upper atmosphere is O 2 2
Question:
A reaction involved in the formation of ozone in the upper atmosphere is O2 → 2 O. Without referring to Table 10.3, indicate whether this reaction is endothermic or exothermic. Explain.
Table 10.3
Transcribed Image Text:
TABLE 10.3 Some Average Bond Energies Bond Energy, kJ mol-1 Bond Energy, kJ mol-1 Bond H-H 436 H-C 414 H-N 389 H-O 464 H-S 368 H-F 565 H-Cl 431 H-Br 364 H-I 297 Bond C-C C=C 347 611 837 C=C C-N 305 C=N 615 C=N 891 360 C-O C=O 736⁰ C-Cl 339 Bond Energy, kJ mol-1 Bond N-N 163 N=N 418 N=N 946 N-O 222 N=O 590 0-0 142 0=0 498 F-F Cl-Cl Br-Br 1-1 159 243 193 151
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Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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