(a) Interpretation : 4000-year old ice from Antarctica age using tritium Concept Introduction : Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Question

Aspirin from Wintergreen: 1. In isolating the salicylic acid, why is it important to press out as much of the water as possible? Write a step-by-step mechanism for the esterification of salicylic acid with acetic anhydride catalyzed by concentrated H₂SO4. 3. Calculate the exact monoisotopic mass of aspirin showing your work. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?

Answer 1

Question

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

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Aspirin from Wintergreen: 1. In isolating the salicylic acid, why is it important to press out as much of the water as possible? Write a step-by-step mechanism for the esterification of salicylic acid with acetic anhydride catalyzed by concentrated H₂SO4. 3. Calculate the exact monoisotopic mass of aspirin showing your work. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?

Synthesis of Ibuprofen-Part 1: 1. What characteristic absorption band changes would you expect in the IR spectrum on going from p-isobutylacetophenone to 1-(4-isobutylphenyl)-ethanol and then to 1-(4-isobutylphenyl)-1-choroethane as you did in the experiment today? Give approximate wavenumbers associated with each functional group change. Given that the mechanism of the chlorination reaction today involves formation of a benzylic carbocation, explain why the following rearranged product is not formed. محرم محمد 3. Why do we use dilute HCl for the first step of the reaction today and concentrated HCI for the second step? What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?

Assign only the C NMR

Answer 2

Question

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

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Answer 3

Question

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

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Answer 4

Question

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

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Answer 5

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 6

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 7

Chapter 14, Problem 14.27PAE

Interpretation Introduction

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 8

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 9

Interpretation Introduction

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 10

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 11

Interpretation Introduction

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Answer 12

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Answer 13

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Ch. 14 - Prob. 1CO Ch. 14 - Prob. 2CO Ch. 14 - Prob. 3CO Ch. 14 - Prob. 4CO Ch. 14 - Prob. 5CO Ch. 14 - Prob. 6CO Ch. 14 - Prob. 7CO Ch. 14 - Prob. 8CO Ch. 14 - Prob. 9CO Ch. 14 - Prob. 10CO

(a) Interpretation : 4000-year old ice from Antarctica age using tritium Concept Introduction : Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Solution Summary: The author explains that 4000-year-old ice from Antarctica can't be dated using tritium as less amount of the isotope of hydrogen will be left.

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Chapter 14 Solutions

(a) Interpretation : 4000-year old ice from Antarctica age using tritium Concept Introduction : Tritium is the isotope of hydrogen that contains1 proton &amp; 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Solution Summary: The author explains that 4000-year-old ice from Antarctica can't be dated using tritium as less amount of the isotope of hydrogen will be left.

(a) Interpretation: 4000-year old ice from Antarctica age using tritium Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(b) Interpretation: The age of Modern French wine using tritium Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(c) Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

Chapter 14 Solutions

(a) Interpretation : 4000-year old ice from Antarctica age using tritium Concept Introduction : Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(a)

Interpretation: 4000-year old ice from Antarctica age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(b)

Interpretation: The age of Modern French wine using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.

(c)

Interpretation: Ancient Egyptian beer from a tomb in the Valley of the Kings age using tritium

Concept Introduction: Tritium is the isotope of hydrogen that contains1 proton & 2 neutrons having a half-life of 12.33 years which is radioactive in nature.