/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 22 Pure silicon, which is needed in... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 6: Problem 22

Pure silicon, which is needed in the manufacturing of electronic components, may be prepared by heating silicon dioxide (sand) with carbon at high temperatures, releasing carbon monoxide gas. Write the unbalanced chemical equation for this process.

Short Answer

Expert verified
The balanced chemical equation for the process of heating silicon dioxide (sand) with carbon at high temperatures to produce pure silicon and carbon monoxide gas is: \(SiO_{2}(s) + 2C(s) \rightarrow Si(s) + 2CO(g)\).

Step by step solution

01

Identify the reactants and products in the reaction.

In this process, the reactants are silicon dioxide (sand) and carbon. The products are pure silicon and carbon monoxide gas.
02

Write the unbalanced chemical equation.

Write down the chemical formulas for each reactant and product, placing an arrow between the reactants and products to represent the reaction. The unbalanced equation is: SiO2(s) + C(s) 鈫� Si(s) + CO(g)
03

Balance the chemical equation.

To balance the equation, we must ensure that the same number of atoms of each element is present on both sides of the equation. First, let's balance the number of silicon atoms by observing that there is 1 Si atom on each side of the equation. We don't need to adjust coefficients for Si. Next, let's balance the number of oxygen atoms. There are 2 oxygen atoms on the left side and 1 on the right side. Now, we'll add a coefficient of 2 in front of the carbon monoxide on the product side: SiO2(s) + C(s) 鈫� Si(s) + 2CO(g) Now, we need to balance the number of carbon atoms as there is 1 on the left side and 2 on the product side. To do this, we will add a coefficient of 2 in front of the carbon on the reactant side: SiO2(s) + 2C(s) 鈫� Si(s) + 2CO(g)
04

Check the balanced equation.

Finally, let's verify that the chemical equation is balanced. We should have the same number of each type of atom on both sides of the equation: Reactants: 1 Si atom, 1 O2 molecule (2 O atoms), 2 C atoms Products: 1 Si atom, 2 CO molecules (2 C atoms and 2 O atoms) The equation is now balanced since the number of each type of atom is equal on both sides. The final balanced chemical equation is: SiO2(s) + 2C(s) 鈫� Si(s) + 2CO(g)

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Glass is a mixture of several compounds, but a major constituent of most glass is calcium silicate, Ca\(\mathrm{SiO}_{3} .\) Glass can be etched by treatment with hydrogen fluoride: HF attacks the calcium silicate of the glass, producing gaseous and water-soluble products (which can be removed by washing the glass). For example, the volumetric glassware in chemistry laboratories is often graduated by using this process. Balance the following equation for the reaction of hydrogen fluoride with calcium silicate.$$\mathrm{CaSiO}_{3}(s)+\mathrm{HF}(g) \rightarrow \mathrm{CaF}_{2}(a q)+\mathrm{SiF}_{4}(g)+\mathrm{H}_{2} \mathrm{O}(l).$$

We write chemical equations to describe a reaction in "shorthand." Where are the reactants found in an equation? (left/right) Where are the products? (left/right) What does the arrow ( \(\rightarrow\) ) signify?

Balance each of the following chemical equations. a. \(\mathrm{KO}_{2}(s)+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow \mathrm{KOH}(a q)+\mathrm{O}_{2}(g)+\mathrm{H}_{2} \mathrm{O}_{2}(a q)\) b. \(\mathrm{Fe}_{2} \mathrm{O}_{3}(s)+\mathrm{HNO}_{3}(a q) \rightarrow \mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{3}(a q)+\mathrm{H}_{2} \mathrm{O}(l)\) c. \(\mathrm{NH}_{3}(g)+\mathrm{O}_{2}(g) \rightarrow \mathrm{NO}(g)+\mathrm{H}_{2} \mathrm{O}(g)\) d. \(\mathrm{PCl}_{5}(l)+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow \mathrm{H}_{3} \mathrm{PO}_{4}(a q)+\mathrm{HCl}(g)\) e. \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(l)+\mathrm{O}_{2}(g) \rightarrow \mathrm{CO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(l)\) f. \(\operatorname{CaO}(s)+\mathrm{C}(s) \rightarrow \mathrm{CaC}_{2}(s)+\mathrm{CO}_{2}(g)\) g. \(\operatorname{MoS}_{2}(s)+\mathrm{O}_{2}(g) \rightarrow \operatorname{MoO}_{3}(s)+\mathrm{SO}_{2}(g)\)h. \(\operatorname{Fe} \mathrm{CO}_{3}(s)+\mathrm{H}_{2} \mathrm{CO}_{3}(a q) \rightarrow \mathrm{Fe}\left(\mathrm{HCO}_{3}\right)_{2}(a q)\)

How do we know when a chemical reaction is taking place? Can you think of an example of how each of the five senses (sight, hearing, taste, touch, smell) might be used in detecting when a chemical reaction has taken place?

If aqueous solutions of potassium chromate and barium chloride are mixed, a bright yellow solid (barium chromate) forms and settles out of the mixture, leaving potassium chloride in solution. Write a balanced chemical equation for this process.
See all solutions

Recommended explanations on Chemistry Textbooks

Chemical Analysis

Read Explanation

The Earths Atmosphere

Read Explanation

Kinetics

Read Explanation

Organic Chemistry

Read Explanation

Making Measurements

Read Explanation

Physical Chemistry

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.