Which change in microscopic structure results when amorphous solid transitions above glass transition temperature?

💡 Explanation

When an amorphous solid transitions above its glass transition temperature, increased thermal energy allows greater segmental motion of molecular chains because intermolecular forces weaken. Therefore increased chain mobility results, rather than ordering, density increase, or crystallization which require alternative thermal or mechanical processes.

• Which consequence occurs when rapid heating of pressurized propane occurs?
• Which outcome occurs when a capacitive proximity sensor's parasitic capacitance exceeds threshold?
• Which mechanical consequence results when exceeding a valve's flow capacity?
• Which consequence results when rapid heating exceeds the Leidenfrost temperature?
• Which phenomenon minimizes eddy current losses in transformer cores subjected to alternating magnetic fields?
• Which problem arises in quantum cryptography when photons experience decoherence?