A chiral compound out of the three givenFischer projections for the three stereoisomeric forms in the ozonolysis reaction of trans-4,5-dimethylcyclohexene is to be determined.The product formed in the ozonolysis of trans-4,5-dimethylcyclohexene and when the methyl groups in the starting alkene were cis to each other are to be given. Concept Introduction: > Alkenes are the unsaturated hydrocarbons that react with substances that add to the double bond. Thus, they show addition reactions. > Alkenes are cleaved to form carbonyl compounds by ozonolysis.In ozonolysis reaction, the absolute configurations of the chiral centers are retained if the reaction does not occur at the chiral centers. > Two groups located on the same side of the double bond are cis to each other. > Compounds having two chiral centers can also be achiral if they have a plane of symmetry or the axis of symmetry.

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Answer 1

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 39P

Interpretation Introduction

Interpretation:

A chiral compound out of the three givenFischer projections for the three stereoisomeric forms in the ozonolysis reaction of trans-4,5-dimethylcyclohexene is to be determined.The product formed in the ozonolysis of trans-4,5-dimethylcyclohexene and when the methyl groups in the starting alkene were cis to each other are to be given.

Concept Introduction:
>
Alkenes are the unsaturated hydrocarbons that react with substances that add to the double bond. Thus, they show addition reactions.
>
Alkenes are cleaved to form carbonyl compounds by ozonolysis.In ozonolysis reaction, the absolute configurations of the chiral centers are retained if the reaction does not occur at the chiral centers.
>
Two groups located on the same side of the double bond are cis to each other.
>
Compounds having two chiral centers can also be achiral if they have a plane of symmetry or the axis of symmetry.

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Please help me with # 4 and 5. Thanks in advance!

A small artisanal cheesemaker is testing the acidity of their milk before it coagulates. During fermentation, bacteria produce lactic acid (K₁ = 1.4 x 104), a weak acid that helps to curdle the milk and develop flavor. The cheesemaker has measured that the developing mixture contains lactic acid at an initial concentration of 0.025 M. Your task is to calculate the pH of this mixture and determine whether it meets the required acidity for proper cheese development. To achieve the best flavor, texture and reduce/control microbial growth, the pH range needs to be between pH 4.6 and 5.0. Assumptions: Lactic acid is a monoprotic acid H H :0:0: H-C-C H :0: O-H Figure 1: Lewis Structure for Lactic Acid For simplicity, you can use the generic formula HA to represent the acid You can assume lactic acid dissociation is in water as milk is mostly water. Temperature is 25°C 1. Write the K, expression for the dissociation of lactic acid in the space provided. Do not forget to include state symbols.…

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Answer 2

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 39P

Interpretation Introduction

Interpretation:

A chiral compound out of the three givenFischer projections for the three stereoisomeric forms in the ozonolysis reaction of trans-4,5-dimethylcyclohexene is to be determined.The product formed in the ozonolysis of trans-4,5-dimethylcyclohexene and when the methyl groups in the starting alkene were cis to each other are to be given.

Concept Introduction:
>
Alkenes are the unsaturated hydrocarbons that react with substances that add to the double bond. Thus, they show addition reactions.
>
Alkenes are cleaved to form carbonyl compounds by ozonolysis.In ozonolysis reaction, the absolute configurations of the chiral centers are retained if the reaction does not occur at the chiral centers.
>
Two groups located on the same side of the double bond are cis to each other.
>
Compounds having two chiral centers can also be achiral if they have a plane of symmetry or the axis of symmetry.

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Answer 3

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 39P

Interpretation Introduction

Interpretation:

A chiral compound out of the three givenFischer projections for the three stereoisomeric forms in the ozonolysis reaction of trans-4,5-dimethylcyclohexene is to be determined.The product formed in the ozonolysis of trans-4,5-dimethylcyclohexene and when the methyl groups in the starting alkene were cis to each other are to be given.

Concept Introduction:
>
Alkenes are the unsaturated hydrocarbons that react with substances that add to the double bond. Thus, they show addition reactions.
>
Alkenes are cleaved to form carbonyl compounds by ozonolysis.In ozonolysis reaction, the absolute configurations of the chiral centers are retained if the reaction does not occur at the chiral centers.
>
Two groups located on the same side of the double bond are cis to each other.
>
Compounds having two chiral centers can also be achiral if they have a plane of symmetry or the axis of symmetry.

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Answer 4

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 39P

Interpretation Introduction