Which outcome occurs when cooling a water-glycol mixture past its freezing point?

💡 Explanation

Hydrogen bond network expansion causes increased volume and eventual phase transition when freezing. Because hydrogen bonds become more ordered, they increase molecular separation, therefore the mixture expands rather than contracting, because covalent bonds stay quite stable.

• Which outcome occurs when electrons fill molecular orbitals?
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• Which consequence results when rapid decompression flash-boils cryogenic liquid nitrogen?
• Which consequence results when hydrogen embrittlement exceeds critical stress?
• Which outcome occurs when applying excessive pressure to an optical fiber?