Isomers of alcohol having a molecular formula C 4 H 10 O that can be prepared from the reduction of aldehydes and ketones respectively are to be determined. The isomeric form of the same alcohol that cannot be prepared form the reduction of any carbonyl compound is to be identified. Concept introduction: The isomers are associated with the same chemical formula but have different connectivity of atoms. The aldehyde or ketone on hydrogenation undergoes addition of hydrogen across the carbon-oxygen double bond and forms corresponding alcohol. Hydrogenation is basically the reduction process. The primary alcohol is obtained after reduction of aldehydes, the ketones on reduction gave secondary alcohol but no carbonyl compound gave tertiary alcohol after the reduction process.

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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10 Consider the following reaction: CH3OH(g) CO(g) + 2H2(g) (Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.) Part A Calculate AG for this reaction at 25 °C under the following conditions: PCH₂OH Pco PH2 0.815 atm = 0.140 atm 0.170 atm Express your answer in kilojoules to three significant figures. Ο ΑΣΦ AG = -150 Submit Previous Answers Request Answer □? kJ × Incorrect; Try Again; 2 attempts remaining Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship: AGrxn = AGrxn + RTInQ, AGxn+RTInQ, where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a is the reaction quotient. Provide Feedback Next >

Answer 1

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16.2, Problem 1P

Interpretation Introduction

Interpretation:

Isomers of alcohol having a molecular formula C4H10O that can be prepared from the reduction of aldehydes and ketones respectively are to be determined. The isomeric form of the same alcohol that cannot be prepared form the reduction of any carbonyl compound is to be identified.

Concept introduction:

The isomers are associated with the same chemical formula but have different connectivity of atoms.

The aldehyde or ketone on hydrogenation undergoes addition of hydrogen across the carbon-oxygen double bond and forms corresponding alcohol.

Hydrogenation is basically the reduction process. The primary alcohol is obtained after reduction of aldehydes, the ketones on reduction gave secondary alcohol but no carbonyl compound gave tertiary alcohol after the reduction process.

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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10 Consider the following reaction: CH3OH(g) CO(g) + 2H2(g) (Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.) Part A Calculate AG for this reaction at 25 °C under the following conditions: PCH₂OH Pco PH2 0.815 atm = 0.140 atm 0.170 atm Express your answer in kilojoules to three significant figures. Ο ΑΣΦ AG = -150 Submit Previous Answers Request Answer □? kJ × Incorrect; Try Again; 2 attempts remaining Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship: AGrxn = AGrxn + RTInQ, AGxn+RTInQ, where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a is the reaction quotient. Provide Feedback Next >

Identify and provide a brief explanation of Gas Chromatography (GC) within the context of chemical analysis of food. Incorporate the specific application name, provide a concise overview of sample preparation methods, outline instrumental parameters and conditions ultilized, and summarise the outcomes and findings achieved through this analytical approach.

Identify and provide a concise explanation of the concept of signal-to-noise ratio (SNR) in the context of chemical analysis. Provide specific examples.

Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16.2, Problem 1P

Interpretation Introduction

Interpretation:

Isomers of alcohol having a molecular formula C4H10O that can be prepared from the reduction of aldehydes and ketones respectively are to be determined. The isomeric form of the same alcohol that cannot be prepared form the reduction of any carbonyl compound is to be identified.

Concept introduction:

The isomers are associated with the same chemical formula but have different connectivity of atoms.

The aldehyde or ketone on hydrogenation undergoes addition of hydrogen across the carbon-oxygen double bond and forms corresponding alcohol.

Hydrogenation is basically the reduction process. The primary alcohol is obtained after reduction of aldehydes, the ketones on reduction gave secondary alcohol but no carbonyl compound gave tertiary alcohol after the reduction process.

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Answer 3

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16.2, Problem 1P

Interpretation Introduction

Interpretation:

Isomers of alcohol having a molecular formula C4H10O that can be prepared from the reduction of aldehydes and ketones respectively are to be determined. The isomeric form of the same alcohol that cannot be prepared form the reduction of any carbonyl compound is to be identified.

Concept introduction:

The isomers are associated with the same chemical formula but have different connectivity of atoms.

The aldehyde or ketone on hydrogenation undergoes addition of hydrogen across the carbon-oxygen double bond and forms corresponding alcohol.

Hydrogenation is basically the reduction process. The primary alcohol is obtained after reduction of aldehydes, the ketones on reduction gave secondary alcohol but no carbonyl compound gave tertiary alcohol after the reduction process.

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Answer 4

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Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 16.2, Problem 1P

Interpretation Introduction