CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
Molten SiO2 is divided into two portions. Portion 1 is cooled slowly in a furnace over 10 hours; Portion 2 is poured into water and quenched within seconds. Predict the predominant structural classification (crystalline or amorphous) for each portion and explain how the cooling rate leads to these outcomes.