2 S-H bond: 347 kJ x 2 = 694 kJ
3 F-F bond: 154 kJ x 3 = 462 kJ
Total = 1156 kJ
4 S-F bond: 327 kJ x 4 = 1308 kJ
2 H-F bond: 565 kJ x 2 = 1130 kJ
Total = 2438 kJ
Use bond energies to predict ΔE for the following reaction:
H2S(g) + 3F2 (g) → SF4 (g) + 2HF(g)
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