wWN 12064: Ch 3 Hw ×e Chegg Study | Guided sex C | smartwork.wwnorton.com/sw/mod

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wWN 12064: Ch 3 Hw ×e Chegg Study | Guided sex C | smartwork.wwnorton.com/sw/mod/smartwork/view.php?id=695095&isStudent.1; Apps BryteWave: A Micros SMARTWORK 3.0 WWN 12064 CH 3 Hw Print Calculator Periodic Table Ebook Question 10 of 12 (1 point) x Incorrect ×Incorrect x1ncorrect × Incorrect ×Incorrect x1ncorrect Use the bond dissociation energies of the following table to estimate the molar change in free energy of the reaction of H2C-CH2 and H-Br to yield H3C-CH2Br: Some Homolytic Bond Dissociation Energies I-I Br-Br 46.1 kcal/mol H3C-CH3 90.1 CI-CI | 59.0 kcal/mol | H2C=CH2 | 66.0 F-F 38.0 kcal/mol H2C-CH2 174.1 H-H | 104.2 kcalmol CH3 Number 36.1 kcal/mol H-CH2CH3 101.1 -16 kcal/ mol kcal/mol kcal/mol (TT bond) kcal/mol (total) kcal/mol 57.6 kcal/mol 71.3 kcalmo Br-CH3 72.1 H-Br 87.5 kcamoC-CH3 H-CI 103.2 kcal/mol F-CH3 136.3 kcal/mol kcal/mol 83.7 kcal/mol 115.0 kcal/mol Check Answer View Solution O Hint

Explanation / Answer

The energy is utilised to break the bonds , whereas the energy is released when the new bonds are formed.

So the free energy of the reaction is the net sum of these bond energies , and is given as:

= +66 + 87.5 + (-101.1) +(-72.1)

= -19.7 kcal/mol

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