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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 13, Problem 3E
Textbook Problem
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What are the properties of bases?

Interpretation Introduction

Interpretation:

Properties of a base are to be explained.

Concept introduction:

A base is an ionic compound that produces hydroxyl ions (OH) when dissolved in a solution. Bases are also called Arrhenius bases because they are capable of increasing the concentration of hydroxyl ion (OH) in the solution.

They are generally classified into three different types depending upon their acidity.

Monoacidic base is a base that ionizes completely and produces one hydroxyl ion (OH).

Diacidic base is a base that ionizes completely and produces two hydroxyl ions (OH).

Triacidic base is a base that ionizes completely and gives three hydroxyl ions (OH).

Explanation of Solution

a) Bitterness in bases.

A base has a pH more than 7 and produces hydroxyl ions (OH). When a base is tasted then approximately the proteins of the tongue acts as a receptor and detect the taste, which is better.

b) Soapy or slippery nature of bases.

Human skin contains fatty acids which contain long chains of carbon atoms along with some acidic groups. When a base comes into contact with skin, it reacts with the acidic part of the fatty acids and produces a little amount of soap. So, all bases feel slippery when touched.

c) Litmus paper turns red color to blue color.

Litmus paper is one of the simplest and oldest methods to determine the acidity or basicity of a solution. Red litmus paper turns blue when it comes in contact with any basic solution, as the natural dye infused in the red litmus paper is sensitive toward the hydroxyl ion (OH) and imparts blue color.

d) Formation of salt with an acid

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Chapter 13 Solutions

Chemistry In Focus
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Ch. 13 - Why are bases not commonly found in foods?Ch. 13 - List four common laboratory bases and their uses.Ch. 13 - What are the Arrhenius definitions of acids and...Ch. 13 - What are the Brnsted-Lowry definitions of acids...Ch. 13 - What is the difference between a strong acid and a...Ch. 13 - The pH scale is a logarithmic scale. What is meant...Ch. 13 - What pH range is considered acidic? Basic?...Ch. 13 - What acid is responsible for the sour taste of...Ch. 13 - What is pickling? What acid is responsible for the...Ch. 13 - Where can you find acetic acid?Ch. 13 - What is aspirin? How does it work?Ch. 13 - List several common acids and where they might be...Ch. 13 - What acids are present in wines? What kind of...Ch. 13 - What is an alkaloid?Ch. 13 - What causes acid indigestion? List some common...Ch. 13 - How does an antacid work?Ch. 13 - Explain how a leavening agent works.Ch. 13 - Which pollutants are responsible for acid rain?...Ch. 13 - Why is rain acidic even in the absence of...Ch. 13 - How acidic is rain in the United States? Can this...Ch. 13 - Why can some lakes and soils tolerate acid rain...Ch. 13 - What are the effects of acid rain on the...Ch. 13 - What is being done to decrease the acidity of U.S....Ch. 13 - Write a chemical equation to show the...Ch. 13 - Write a chemical equation to show the...Ch. 13 - Identify the Brnsted-Lowry acid and base in each...Ch. 13 - Identify the Brnsted-Lowry acid and base in each...Ch. 13 - Write a chemical equation using Lewis structures...Ch. 13 - Write a chemical equation using Lewis structures...Ch. 13 - A chemist makes two solutions. One is a 0.01-MHCl...Ch. 13 - A chemist makes a 0.001-MNaOH solution and a...Ch. 13 - Give the pH that corresponds to each solution and...Ch. 13 - Give the pH that corresponds to each solution and...Ch. 13 - What is the [H3O+] in a solution with a pH of 4?Ch. 13 - What is the [H3O+] in a solution with a pH of 11?Ch. 13 - Write chemical reactions to show how each antacid...Ch. 13 - Write chemical reactions to show how each antacid...Ch. 13 - Suppose that the stomach contains...Ch. 13 - Suppose that 250.0 mL of a basic solution is 0.100...Ch. 13 - Write a chemical reaction to show how SO2 forms...Ch. 13 - Write a chemical reaction to show how NO2 forms...Ch. 13 - Write a short paragraph explaining why a person...Ch. 13 - Examine the household chemicals shelf at your...Ch. 13 - Determine from the following molecular view of a...Ch. 13 - Determine from the following molecular view of a...

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