State whether the entropy of the system increases or decreases in each of the following processes:
(b) Electronic-grade silicon is prepared from sand.

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23-08-2022
Chemistry

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State whether the entropy of the system increases or decreases in each of the following processes:
(b) Electronic-grade silicon is prepared from sand.

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tripatsingh039 tripatsingh039 · Answer 1 · 2022-09-01T18:57:48+02:00

Quartz is a naturally occurring substance that contains silica, which is silicon in the dioxide form (SiO2). High purity quartz rock is the most typical raw material for electronic grade; however, beach sand also contains a significant amount of quartz. Entropy decreases as solid pure silicon is formed.

The Czoralski technique may turn the extremely pure polycrystalline silicon known as "electronic grade silicon" into monocrystalline silicon ingots. The Czochralski process is a crystal growth technique used to produce semiconductor single crystals. In an exothermic reaction, magnesium and sand are heated to form silicon. Sand and magnesium are heated together, and an exothermic reaction results in the production of silicon.

Learn more about Quartz here-

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State whether the entropy of the system increases or decreases in each of the following processes: (b) Electronic-grade silicon is prepared from sand.

Respuesta :

Otras preguntas

State whether the entropy of the system increases or decreases in each of the following processes:
(b) Electronic-grade silicon is prepared from sand.