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Which consequence results when excess thermal energy overcomes van der Waals forces in polyethylene?

A)Intermolecular spacing significantly increases
B)Polymer chain scission degradation occurs
C)Intramolecular bond energy decreases
D)Cross-linking reactions become spontaneous

💡 Explanation

Increased thermal energy causes greater molecular motion; this overcomes the weak van der Waals forces, leading to increased intermolecular spacing because the molecules are free to move away from each other therefore the material becomes more ‘stretchy’ rather than degrading or bonding

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