Balance the following equations: (a) CaC 2 ( s ) + H 2 O ( l ) → Ca ( OH ) 2 ( s ) + C 2 H 2 ( g ) (b) ( NH 4 ) 2 Cr 2 O 7 ( s ) → Cr 2 O 3 ( s ) + N 2 ( g ) + H 2 O ( f ) (c) CH 3 NH 2 ( g ) + O 2 ( g ) → CO 2 ( g ) + N 2 ( g ) + H 2 O ( g )

Q: Expert Answer

Interpretation Introduction (a) Interpretation: The given chemical equation should be balanced. Concept introduction: The chemical reaction is said to be balanced if there are same number of constituent atoms are present on both sides of the reaction arrow. A balanced chemical reaction satisfies the law of conservation of mass. Explanation The given chemical reaction is as follows: CaC 2 ( s ) + H 2 O ( l ) → Ca ( OH ) 2 ( s ) + C 2 H 2 ( g ) The number of Ca and C atom are already balanced in the given reaction. The number of oxygen atoms on the left side of the reaction arrow is 1 and that on the right hand side of the reaction arrow is 2. Similarly, the number of hydrogen atoms on the left side of the reaction arrow is 2 and that of the oxygen atoms is 4. Thus, give coefficient 2 to H 2 O on the left hand side of the reaction arrow to balance the number of hydrogen and oxygen atoms Interpretation Introduction (b) Interpretation: The given chemical equation should be balanced. Concept introduction: The chemical reaction is said to be balanced if there are same number of constituent atoms are present on both sides of the reaction arrow. A balanced chemical reaction satisfies the law of conservation of mass. Interpretation Introduction (c) Interpretation: The given chemical equation should be balanced. Concept introduction: The chemical reaction is said to be balanced if there are same number of constituent atoms are present on both sides of the reaction arrow. A balanced chemical reaction satisfies the law of conservation of mass.

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Answer 1

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Chemistry: Principles and Reactions

8th Edition

William L. Masterton + 1 other

Publisher: Cengage Learning

ISBN: 9781305079373

Solutions

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Answer 2

BuyFind

Chemistry: Principles and Reactions

8th Edition

William L. Masterton + 1 other

Publisher: Cengage Learning

ISBN: 9781305079373

Solutions

Chapter

Section

Answer 3

Solutions

Chapter

Section

Answer 4

Chapter

Section

Answer 5

Interpretation Introduction

(a)

Interpretation:

The given chemical equation should be balanced.

Concept introduction:

The chemical reaction is said to be balanced if there are same number of constituent atoms are present on both sides of the reaction arrow. A balanced chemical reaction satisfies the law of conservation of mass.

Explanation of Solution

The given chemical reaction is as follows:

CaC2(s)+H2O(l)→Ca(OH)2(s)+C2H2(g)

The number of Ca and C atom are already balanced in the given reaction. The number of oxygen atoms on the left side of the reaction arrow is 1 and that on the right hand side of the reaction arrow is 2.

Similarly, the number of hydrogen atoms on the left side of the reaction arrow is 2 and that of the oxygen atoms is 4.

Thus, give coefficient 2 to H2O on the left hand side of the reaction arrow to balance the number of hydrogen and oxygen atoms

Answer 6

Interpretation Introduction

(b)

Interpretation:

The given chemical equation should be balanced.

Concept introduction:

The chemical reaction is said to be balanced if there are same number of constituent atoms are present on both sides of the reaction arrow. A balanced chemical reaction satisfies the law of conservation of mass.

Answer 7

Interpretation Introduction

(c)

Interpretation:

The given chemical equation should be balanced.

Concept introduction:

The chemical reaction is said to be balanced if there are same number of constituent atoms are present on both sides of the reaction arrow. A balanced chemical reaction satisfies the law of conservation of mass.

Balance the following equations: (a) CaC 2 ( s ) + H 2 O ( l ) → Ca ( OH ) 2 ( s ) + C 2 H 2 ( g ) (b) ( NH 4 ) 2 Cr 2 O 7 ( s ) → Cr 2 O 3 ( s ) + N 2 ( g ) + H 2 O ( f ) (c) CH 3 NH 2 ( g ) + O 2 ( g ) → CO 2 ( g ) + N 2 ( g ) + H 2 O ( g )

Chemistry: Principles and Reactions

Solutions

Chemistry: Principles and Reactions

Balance the following equations:

(a) CaC 2 ( s ) + H 2 O ( l ) → Ca ( OH ) 2 ( s ) + C 2 H 2 ( g )

(b) ( NH 4 ) 2 Cr 2 O 7 ( s ) → Cr 2 O 3 ( s ) + N 2 ( g ) + H 2 O ( f )

(c) CH 3 NH 2 ( g ) + O 2 ( g ) → CO 2 ( g ) + N 2 ( g ) + H 2 O ( g )

Explanation of Solution

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