Ethyl alcohol, CH;CH,OH, was one of the first organic chemicals deliberately synthesized by humans. It has many uses in industry, and it is the alcohol contained in alcoholic beverages. It can be obtained by the fermentation of sugar or synthesized by the hydration of ethylene in the following reaction: H H H H C=C + H-0: Н—с—с—о—н H H Using the bond energies in Table 7.3, calculate an approximate enthalpy change, AH, for this reaction. Average Bond Lengths and Bond Energies for Some Common Bonds Bond Bond Length (A) Bond Energy (kJ/mol) C-C 1.54 345 C= C 1.34 611 C= C 1.20 837 C-N 1.43 290 C= N 1.38 615 C= N 1.16 891 C-O 1.43 350 C= 0 1.23 741 C= 0 1.13 1080 Table 7.3

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Chapter9: Ionic And Covalent Bonding
Section: Chapter Questions
Problem 9.86QP: A commercial process for preparing ethanol (ethyl alcohol), C2H5OH, consists of passing ethylene...
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Ethyl alcohol, CH;CH,OH, was one of the first organic chemicals deliberately synthesized by humans. It
has many uses in industry, and it is the alcohol contained in alcoholic beverages. It can be obtained by the
fermentation of sugar or synthesized by the hydration of ethylene in the following reaction:
H H
H
H
C=C
+ H-0:
Н—с—с—о—н
H
H
Using the bond energies in Table 7.3, calculate an approximate enthalpy change, AH, for this reaction.
Transcribed Image Text:Ethyl alcohol, CH;CH,OH, was one of the first organic chemicals deliberately synthesized by humans. It has many uses in industry, and it is the alcohol contained in alcoholic beverages. It can be obtained by the fermentation of sugar or synthesized by the hydration of ethylene in the following reaction: H H H H C=C + H-0: Н—с—с—о—н H H Using the bond energies in Table 7.3, calculate an approximate enthalpy change, AH, for this reaction.
Average Bond Lengths and Bond Energies for Some Common Bonds
Bond
Bond Length (A)
Bond Energy (kJ/mol)
C-C
1.54
345
C= C
1.34
611
C= C
1.20
837
C-N
1.43
290
C= N
1.38
615
C= N
1.16
891
C-O
1.43
350
C= 0
1.23
741
C= 0
1.13
1080
Table 7.3
Transcribed Image Text:Average Bond Lengths and Bond Energies for Some Common Bonds Bond Bond Length (A) Bond Energy (kJ/mol) C-C 1.54 345 C= C 1.34 611 C= C 1.20 837 C-N 1.43 290 C= N 1.38 615 C= N 1.16 891 C-O 1.43 350 C= 0 1.23 741 C= 0 1.13 1080 Table 7.3
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