   # The (unbalanced) equation describing the oxidation of propanol is 2 C 3 H 7 OH( l ) + __O 2 (g) → 6 CO 2 (g) + __H 2 O(g) What are the two missing stoichiometric coefficients? (a) 4.5 O 2 , 4 H 2 O (b) 9 O 2 ,8 H 2 O (c) 5 O 2 , 4 H 2 O (d) 5 O 2 ,7 H 2 O ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

#### Solutions

Chapter
Section ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 3.2, Problem 1RC
Textbook Problem
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## The (unbalanced) equation describing the oxidation of propanol is2 C3H7OH(l) + __O2(g) → 6 CO2(g) + __H2O(g)What are the two missing stoichiometric coefficients? (a) 4.5 O2, 4 H2O (b) 9 O2,8 H2O (c) 5 O2, 4 H2O (d) 5 O2,7 H2O

Interpretation Introduction

Interpretation:

The missing stoichiometric coefficient for the given reaction should be identified.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

### Explanation of Solution

(a)

In this reaction propanal is reaction with oxygen to give carbon dioxide and water.

The reaction is given below

2C3H7OH (l) + O2(g) 6CO2(g)+H2O(l)

Balanced the equation is given below,

Balance the hydrogen atom in the given equation, when balancing the equation, we should not alter the subscripts and we can change coefficients.

There are sixteen hydrogen atom in the left side and two hydrogen atoms in the right side. Therefore eight molecule of water is added to right side of reaction. Therefore the balanced equation is given below.

2C3H7OH (l) + O2(g) 6CO2(g)+8H2O(l)

Balance the oxygen atom in the given equation, when balancing the equation, we should not alter the subscripts and we can change coefficients.

There are twenty oxygen atoms in the left side and four oxygen atoms in the right side. Therefore nine molecule of oxygen is added to left side of reaction

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