Chemistry In Context
Chemistry In Context
9th Edition
ISBN: 9781259638145
Author: Fahlman, Bradley D., Purvis-roberts, Kathleen, Kirk, John S., Bentley, Anne K., Daubenmire, Patrick L., ELLIS, Jamie P., Mury, Michael T., American Chemical Society
Publisher: Mcgraw-hill Education,
Question
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Chapter 14, Problem 14.5YT

(a)

Interpretation Introduction

Interpretation:

At the plash point, it is a chemical change (or) physical change should be determined and How about the boiling point of flash point.

Concept introduction:

Physical change: A change in matter in which no new substance is produced. It is may be involved a change of state and it can usually be reversed.

In other words the substances at the beginning are the same before and after the change.

Example: Melting, freezing and dissolving

Chemical change: A change is matter in which one or more new substances are produced. It is difficult to reverse. (or) The substances present at the beginning are not present at the end.

Clues: Heat (or) light may be given off, small, colour change and das may be formed.

Example: Cooking, burning and rusting.

Flash point: Flash point of a liquid is the lowest temperature at which it gives vapour to from an ignitable mixture with air.

(b)

Interpretation Introduction

Interpretation:

Flammable and combustible some difference and similarities should be explained.

Concept introduction:

Flammable: It is a property of a material relating how easily the material ignites (or) sustains a combustion reaction.

Ionic liquids are neither volatile nor flammable.  But Organic solvents have volatile. They can contribute to air pollution, it’s easily flammable.  The ionic liquid may progress the yield and lower the expenses of a chemical process.  But Organic solvent is not economic.

Combustion: A chemical reaction which a substance combines with oxidant and release energy.

(c)

Interpretation Introduction

Interpretation:

The flash point of the liquids is higher or lower at higher altitudes has to be explained.

Concept introduction:

Flammable: It is a property of a material relating how easily the material ignites (or) sustains a combustion reaction.

Flash point: Flash point of a liquid is the lowest temperature at which it gives vapour to from an ignitable mixture with air.

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You are asked to use curved arrows to generate the significant resonance structures for the following series of compounds and to label the most significant contributor. Identify the errors that would occur if you do not expand the Lewis structures or double-check the mechanisms. Also provide the correct answers.
how to get limiting reactant and % yield based off this data Compound Mass 6) Volume(mL Ben zaphone-5008 ne Acetic Acid 1. Sam L 2-propanot 8.00 Benzopin- a col 030445 Benzopin a Colone 0.06743 Results Compound Melting Point (°c) Benzopin acol 172°c - 175.8 °c Benzoping to lone 1797-180.9
Assign ALL signals for the proton and carbon NMR spectra on the following pages.
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