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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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Section
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 4, Problem 63E
Textbook Problem
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For each chemical reaction, draw in the missing molecules necessary to balance their equations. Carbon atoms are black, hydrogen atoms are white, oxygen atoms are red, and nitrogen atoms are blue.

Chapter 4, Problem 63E, For each chemical reaction, draw in the missing molecules necessary to balance their equations.

Interpretation Introduction

Interpretation:

The chemical reactions are to be balanced for the given molecular model reactions, where carbon atoms are black, hydrogen atoms are white, oxygen atoms are red, and nitrogen atoms are blue.

Concept Introduction:

A chemical equation is considered to be the symbolic depiction of a chemical reaction, which contains symbols and formula.

In a chemical reaction, the starting substances on the left side are known as reactants, while the substances on the right side are known as products.

The chemical formula represents the precise number of atoms in the molecule, but not their structural arrangement

The molecular model represents the molecules in a three-dimensional configuration.

Explanation of Solution

a)

In the given molecular model, the reaction can be represented in a chemical reaction as follows:

C2H4+O2CO2+H2O

C atom is balanced by multiplying with a coefficient 2 in CO2 as follows:

C2H4+O22CO2+H2O

In the next step, the O atom is balanced by the multiplying with a coefficient 3 in O2 as follows:

C2H4+3O22CO2+H2O

Now, in the final step, the H atom is balanced by the multiplying with a coefficient 2 in H2O as follows:

C2H4+3O22CO2+2H2O

b)

In the given molecular model, the reaction can be represented in a chemical reaction as follows:

N2+H2NH3

N atom is balanced by multiplying with a coefficient 2 in NH3 as follows:

N2+H22NH3

In the next step, the H atom is balanced by the multiplying with a coefficient 3 in H2 as follows:

N2+3H22NH3

c)

In the given molecular model, the reaction can be represented in a chemical reaction as follows:

NO+CON2+CO2

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Chemistry In Focus
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