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Many computer chips are manufactured from silicon, which

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 52E Chapter 4

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 52E

Many computer chips are manufactured from silicon, which occurs in nature as SiO2. When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. In an industrial preparation of silicon, 155.8 kg of SiO2 reacts with 78.3 kg of carbon to produce 66.1 kg of silicon. Determine the limiting reactant, theoretical yield, and percent yield for the reaction.

Step-by-Step Solution:
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Solution: Here, we are going to determine whether the given set of reactions are redox, precipitation or neutralisation reactions. Also, we are going to identify the elements which are oxidized and reduced in the redox reactions if any. Step1: Redox reactions are the reactions which involves both oxidation and reduction. Oxidation refers to loss of electrons by an atom, molecule or ion whereas reduction means gain of electrons by an atom, molecule or ion. Oxidation leads to increase in oxidation state whereas reduction leads to decrease in oxidation state of the atom, molecule or ion. The reactant which loses electron is said to be oxidized and the reactant which gains electron is said to be reduced. Whereas, reactions that results in the formation of an insoluble products are called precipitation reactions and the reaction between an acid and a base to form salt and water is called neutralization reaction. Step2: a) The given reaction is: P + 14ClO + 6H O ------24H PO + 10H3 4 This is a redox reaction as both oxidation and reduction are taking place simultaneously as shown below: As we have seen, the oxidation number of chlorine changes from +1 to -1(gain...

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Chapter 4, Problem 52E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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