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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
Chapter 9, Problem 7QAP
Textbook Problem
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onsider the reaction represented by the chemical equation

:math> C ( s ) + O 2 ( g ) CO 2 ( g )

cause the coefficients of the balanced chemical equation are all equal to 1, we know that exactly 1 g of C will react with exactly 1 g of O 2 . True or false? Explain.

Interpretation Introduction

Interpretation:

If 1 g of carbon reacts exactly with 1 g of oxygen in the following reaction should be determined.

Concept Introduction:

In a chemical reaction, species react in mole ratios. The number of moles can be calculated from mass and molar mass as follows:

n=mM

Here, m is mass and M is molar mass.

Explanation of Solution

The balanced chemical reaction is as follows:

C(s)+O2(g)CO2(g)

From the above chemical reaction, 1 mol of carbon reacts with 1 mol of oxygen to give 1 mol of carbon dioxide.

To determine if 1 g of carbon reacts with 1 g of oxygen, convert the mass of carbon into number of moles as follows:

n=mM

Molar mass of carbon is 12 g/mol, putting the values,

n=1 g12 g/mol=0

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Chapter 9 Solutions

Introductory Chemistry: A Foundation
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