Whether all carbon atoms in a straight-chain hydrocarbon actually have a linear arrangement or not needs to be explained. Concept introduction: Hydrocarbons are formed by hydrogen and carbon. Hydrocarbons are classified as saturated hydrocarbons and unsaturated hydrocarbons. The four types of hydrocarbons include alkanes , alkenes , alkynes and aromatic. Hydrocarbons are extensively used as fuel in like fuel oil, natural gases, gasoline, kerosene, diesel, coal etc.

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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 21, Problem 6E

Interpretation Introduction

Interpretation: Whether all carbon atoms in a straight-chain hydrocarbon actually have a linear arrangement or not needs to be explained.

Concept introduction: Hydrocarbons are formed by hydrogen and carbon. Hydrocarbons are classified as saturated hydrocarbons and unsaturated hydrocarbons. The four types of hydrocarbons include alkanes, alkenes, alkynes and aromatic. Hydrocarbons are extensively used as fuel in like fuel oil, natural gases, gasoline, kerosene, diesel, coal etc.

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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 21, Problem 6E

Interpretation Introduction

Interpretation: Whether all carbon atoms in a straight-chain hydrocarbon actually have a linear arrangement or not needs to be explained.

Concept introduction: Hydrocarbons are formed by hydrogen and carbon. Hydrocarbons are classified as saturated hydrocarbons and unsaturated hydrocarbons. The four types of hydrocarbons include alkanes, alkenes, alkynes and aromatic. Hydrocarbons are extensively used as fuel in like fuel oil, natural gases, gasoline, kerosene, diesel, coal etc.

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Answer 3

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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 21, Problem 6E

Interpretation Introduction

Interpretation: Whether all carbon atoms in a straight-chain hydrocarbon actually have a linear arrangement or not needs to be explained.

Concept introduction: Hydrocarbons are formed by hydrogen and carbon. Hydrocarbons are classified as saturated hydrocarbons and unsaturated hydrocarbons. The four types of hydrocarbons include alkanes, alkenes, alkynes and aromatic. Hydrocarbons are extensively used as fuel in like fuel oil, natural gases, gasoline, kerosene, diesel, coal etc.

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Check out a sample textbook solution

See solution

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 21, Problem 6E

Interpretation Introduction