   # Silicon is produced for the chemical and electronics industries by the following reactions. Give the balanced equation for each reaction. a. SiO 2 ( s ) + C ( s ) → are furnace Electric S i ( s ) + C O ( g ) b. Liquid silicon tetrachloride is reacted with very pure solid magnesium, producing solid silicon and solid magnesium chloride. c. Na 2 SiF 6 ( s ) + Na( s ) ⟶Si( s ) + NaF( s ) ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

#### Solutions

Chapter
Section ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 5, Problem 103E
Textbook Problem
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## Silicon is produced for the chemical and electronics industries by the following reactions. Give the balanced equation for each reaction.a. SiO 2 ( s ) + C ( s ) → are   furnace Electric S i ( s ) +   C O ( g ) b. Liquid silicon tetrachloride is reacted with very pure solid magnesium, producing solid silicon and solid magnesium chloride.c. Na2SiF6(s) + Na(s) ⟶Si(s) + NaF(s)

(a)

Interpretation Introduction

Interpretation: A balanced form of the given chemical equations is to be stated.

Concept introduction: According to the law of conservation of mass, mass can neither be created nor destroyed. The mass of reactants is equal to the mass of products formed during a chemical process.

To determine: A balanced form of the given chemical equation.

### Explanation of Solution

According to the law of conservation of mass, mass can neither be created nor destroyed. The mass of reactants is equal to the mass of products formed. Therefore a chemical equation, having lesser number of moles of an element on either side of a reaction, is balanced using appropriate numerical coefficients to satisfy the law of conservation of mass.

The given reaction is,

SiO2(s)+C(s)ElectricarcfurnaceSi(s)+CO(g)

Adding the coefficient 2 to CO balances the number of atoms of oxygen present on either side of the reaction

(b)

Interpretation Introduction

Interpretation: A balanced form of the given chemical equations is to be stated.

Concept introduction: According to the law of conservation of mass, mass can neither be created nor destroyed. The mass of reactants is equal to the mass of products formed during a chemical process.

To determine: A balanced form of the given chemical equation.

(c)

Interpretation Introduction

Interpretation: A balanced form of the given chemical equations is to be stated.

Concept introduction: According to the law of conservation of mass, mass can neither be created nor destroyed. The mass of reactants is equal to the mass of products formed during a chemical process.

To determine: A balanced form of the given chemical equation.

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