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← ScienceWhich consequence results when intramolecular forces weaken within polymer chains?
A)Lowered glass transition temperature✓
B)Increased tensile strength overall
C)Elevated melting point threshold
D)Enhanced chemical corrosion resistance
💡 Explanation
A lower glass transition temperature occurs because a weakening of Van Der Waals forces increases chain mobility; this allows the polymer to transition from a glassy to a rubbery state at a lower temperature, therefore reducing the Tg rather than enhancing other mechanical/chemical properties.
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