a) Interpretation: The alkyne which can be used as a starting material for preparing methyl-n-propyl ketone is to be stated. Concept introduction: Addition of water to triple bonds occurs to yield an enol initially as the product. The enol then tautomerizes to give a ketone as the final product. Terminal alkynes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product. To state: The alkyne which can be used as a starting material for preparing methyl-n-propyl ketone.

Question

need help not sure what am doing wrong step by step please answer is 971A During the lecture, we calculated the Debye length at physiological salt concentrations and temperature, i.e. at an ionic strength of 150 mM (i.e. 0.150 mol/l) and a temperature of T=310 K. We predicted that electrostatic interactions are effectively screened beyond distances of 8.1 Å in solutions with a physiological salt concentration. What is the Debye length in a sample of distilled water with an ionic strength of 10.0 µM (i.e. 1.00 * 10-5 mol/l)? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).

Answer 1

Question

Chapter 9.4, Problem 5P

Interpretation Introduction

a)

Interpretation:

The alkyne which can be used as a starting material for preparing methyl-n-propyl ketone is to be stated.

Concept introduction:

Addition of water to triple bonds occurs to yield an enol initially as the product. The enol then tautomerizes to give a ketone as the final product. Terminal alkynes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To state:

The alkyne which can be used as a starting material for preparing methyl-n-propyl ketone.

b)

Interpretation Introduction

Interpretation:

The alkyne which can be used as a starting material for preparing diethyl ketone is to be stated.

Concept introduction:

Addition of water to triple bonds occurs to yield an enol initially as the product. The enol tautomerizes to give a ketone as the final product. Terminal alkenes and symmetrically substituted internal alkynes yield only one product. Unsymmetrically substituted internal alkynes yield a mixture of ketones as product.

To state:

The alkyne which can be used as a starting material for preparing diethyl ketone.

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need help not sure what am doing wrong step by step please answer is 971A During the lecture, we calculated the Debye length at physiological salt concentrations and temperature, i.e. at an ionic strength of 150 mM (i.e. 0.150 mol/l) and a temperature of T=310 K. We predicted that electrostatic interactions are effectively screened beyond distances of 8.1 Å in solutions with a physiological salt concentration. What is the Debye length in a sample of distilled water with an ionic strength of 10.0 µM (i.e. 1.00 * 10-5 mol/l)? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).

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The name of the following molecule is: Ν