High-purity silicon is obtained using a three-step process. The first step involves heating solid silicon dioxide, SiO
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High-purity silicon is obtained using a three-step process. The first step involves heating solid silicon dioxide, SiO2, with solid carbon to give solid silicon and carbon monoxide gas. In the second step, solid silicon is converted into liquid silicon tetrachloride, SiCl4, by treating it with chlorine gas. In the last step, SiCl4 is treated with hydrogen gas to give ultrapure solid silicon and hydrogen chloride gas.
(a) Write balanced chemical equations for the steps involved in this three-step process.
(b) Calculate the masses of carbon, chlorine, and hydrogen required per kilogram of silicon.
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Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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