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By using appropriate thermochemical data from Appendix C (heats of formation), calculate the average bond enthalpies in the liquid state for the following bonds
a) Br---Br from Br2 (l)
b) C--Cl from CCl4 (l)
c) O--O from H2O2 (l) assuming that the O--H bond enthalpy is the same as in the gas phase.
d) what can you conclude about the process of breaking bonds in the liquid as compared to the gas phase? Explain the difference in the heat of formation values between the two phases

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Category:- Chemistry
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