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Chemical Bonding: Bond strength and energy

Related Topics

Wize University Chemistry Textbook > Chemical Bonding

BDE Calculation

2 Activities

The following figure shows the potential energy diagrams for the carbon-carbon bond in ethane, ethene, and ethyne. Structures of these molecules are shown below. Identify which molecule corresponds to each potential energy curve.






A.
ethene
B.
ethyne
C.
ethane
potential energy diagram a
potential energy diagram b
potential energy diagram c
More BDE Calculation Questions:
Bond Energy
What is the total bond energy for the following molecule?
C - H 413 kJ/mol
C - C 347 kJ/mol
Practice: Bond Energy
Calculate the BDE of N2 from the following reaction:
N2 (g) + 2H2 (g) → N2H4 (g); ∆Hr = +99 kJ / mol
H-H: BDE=436 kJ/mol