6. Thermodynamics and Kinetics
Enthalpy
31PRACTICE PROBLEM
High temperatures will cause some polymers to oxidize and decompose. The decomposition is initiated by the free-radical abstraction of an atom by O2. Which of the following pairs will be more prone to decomposition? Explain your answer.
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Bond dissociation energies: C–H bond ≈ 400 kJ/mol; C–F bond ≈ 460 kJ/mol; HOO bond ≈ 192 kJ/mol; FOO bond ≈ 63 kJ/mol
High temperatures will cause some polymers to oxidize and decompose. The decomposition is initiated by the free-radical abstraction of an atom by O2. Which of the following pairs will be more prone to decomposition? Explain your answer.
Bond dissociation energies: C–H bond ≈ 400 kJ/mol; C–F bond ≈ 460 kJ/mol; HOO bond ≈ 192 kJ/mol; FOO bond ≈ 63 kJ/mol