Based on the following data, what is the bond energy of the C-C bond in 1,1-difluoroethylene, CF2CH2? C(g) + 4H(g); H = 1656 kJ CH4(g) CF4(g) C(g) + 4F(g); H = 1756 kJ CF2CH2(g) 2C(g) + 2(g) + 2F(g); H = 2317 kJ

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter10: Fuels, Organic Chemicals, And Polymers
Section10.4: Alcohols And Their Oxidation Products
Problem 10.2PSP: Using a table of average bond enthalpies. Table 6.2 ( Sec. 6-6b), estimate the enthalpy change for...
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  1. Draw the Lewis structure for CF2CH2(g).
  2. Determine the enthalpy for the bonds broken.
  3. Set the enthalpy of the bonds broken equal to the enthalpy of the reaction. Solve for the unknown enthalpy of the bonds broken for C=C.
  4. Then answer the main question

 

Based on the following data, what is the bond energy of the C-C bond in 1,1-difluoroethylene, CF2CH2?
C(g) + 4H(g); H = 1656 kJ
CH4(g)
CF4(g)
C(g) + 4F(g);
H = 1756 kJ
CF2CH2(g)
2C(g) + 2(g) + 2F(g); H = 2317 kJ
Transcribed Image Text:Based on the following data, what is the bond energy of the C-C bond in 1,1-difluoroethylene, CF2CH2? C(g) + 4H(g); H = 1656 kJ CH4(g) CF4(g) C(g) + 4F(g); H = 1756 kJ CF2CH2(g) 2C(g) + 2(g) + 2F(g); H = 2317 kJ
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