The four compounds listed are to be arranged in the order of decreasing heat of combustion. Concept introduction: Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion. Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

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Answer 1

Question

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

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Students have asked these similar questions

(a) Calculate the standard enthalpy change for the combustion of 1 mol of benzene, C6H61l2, to CO21g2 and H2O1l2.(b) Compare the quantity of heat produced by combustion of 1.00 g propane with that produced by 1.00 g benzene.

Arrange the following compounds in order of decreasing heat of combustion: pentane, 2-methylbutane, 2,2-dimethylpropane, hexane.

2.) Discuss the importance of determining the heats of combustion of some compounds.

Answer 2

Question

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

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Answer 3

Question

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

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Answer 4

Question

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

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Answer 5

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

Answer 6

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

Answer 7

Chapter 2.22, Problem 18P

Interpretation Introduction

Interpretation:

The four compounds listed are to be arranged in the order of decreasing heat of combustion.

Concept introduction:

Heat of combustion depends primarily on the number of carbons in the alkane – more the number of carbons, higher the heat of combustion.

Among isomeric hydrocarbons, the heat of combustion depends on the stability of the isomer. The more branched the isomer, more stable it is and lower is its heat of combustion.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 2.4 - Prob. 1P Ch. 2.7 - Prob. 2P Ch. 2.8 - Identify the orbital overlaps of all of the bonds...Ch. 2.9 - The hydrocarbon shown, called vinylacetylene, is...Ch. 2.12 - Prob. 5P Ch. 2.12 - Prob. 6P Ch. 2.13 - Prob. 7P Ch. 2.14 - Refer to Table 2.2 as needed to answer the...Ch. 2.15 - Prob. 9P Ch. 2.15 - Prob. 10P

Solution Summary: The author explains that the heat of combustion of hydrocarbons is dependent on the number of carbons in the alkane, and the stability of the isomer.

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