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Chemistry In Focus

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

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Section
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 15, Problem 4E
Textbook Problem
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What is a micelle? Why is it important process of washing?

Interpretation Introduction

Interpretation:

A micelle and the statement “Micelles are important in the process of washing” is to be explained.

Concept Introduction:

Separation of electric charges into the negatively charged end and a positively charged end is called polarity.

Soap is defined as a sodium or potassium salt of a long chain of a fatty acid. A soap molecule acts as a surfactant and emulsifying agent for household purposes.

Explanation of Solution

In an aqueous solution, the aggregation of molecules having both polar and non-polar regions is called micelles. In micelles, the polar head forms an outer shell, which is in contact with the water, while the non-polar tails are segregated in the interior part which dissolves the dirt or grease...

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Chapter 15 Solutions

Chemistry In Focus
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Ch. 15 - What are the problems associated with using soap...Ch. 15 - What are the advantages of synthetic detergents...Ch. 15 - What is the difference between ABS synthetic...Ch. 15 - Explain the differences between anionic...Ch. 15 - What kinds of surfactants are used in todays...Ch. 15 - What is a builder?Ch. 15 - Why is sodium tripolyphosphate no longer used as a...Ch. 15 - Define eutrophication.Ch. 15 - What substances have replaced tripolyphosphate in...Ch. 15 - Explain the role of each substance in...Ch. 15 - What are the active ingredients in drain cleaners,...Ch. 15 - What are the active ingredients in toilet bowl...Ch. 15 - Why should drain cleaners and toilet bowl cleaners...Ch. 15 - What are the three types of interactions that...Ch. 15 - Explain why allowing hair to dry in curlers...Ch. 15 - Explain why high pH will damage hair.Ch. 15 - Explain how permanent curling of hair is...Ch. 15 - Why are shampoos more effective in cleaning hair...Ch. 15 - What is the purpose of hair rinses or...Ch. 15 - What pigments are responsible for the color of...Ch. 15 - How can hair be lightened and darkened?Ch. 15 - Why is it important for skin to be moist, but not...Ch. 15 - What are the main ingredients in creams lotions?...Ch. 15 - How do sunscreens protect your skin from the Suns...Ch. 15 - What are the main ingredients in lipstick?Ch. 15 - What are the main ingredients in facial...Ch. 15 - Explain what is happening with molecules in the...Ch. 15 - What kinds of fragrances are used in perfumes? Are...Ch. 15 - Explain the three notes in a perfume and the kinds...Ch. 15 - What is the cause of body odor?Ch. 15 - How do deodorants help eliminate body odor?Ch. 15 - How do antiperspirants work?Ch. 15 - Define each term: a. monomer b. polymer c....Ch. 15 - What are the main uses of high-density...Ch. 15 - What are some of the uses of polypropylene,...Ch. 15 - Explain why Teflon resists sticking and chemical...Ch. 15 - Define each of the following: a. thermoplastic b....Ch. 15 - What are each of the following polymers used for?...Ch. 15 - Sodium stearate is a soap with the molecular...Ch. 15 - Sodium palmitate is a soap with the molecular...Ch. 15 - The salt bridges that hold hair protein (keratin)...Ch. 15 - Draw the structure of a salt bridge between two...Ch. 15 - The hydrochloric acid present in toilet bowl...Ch. 15 - Suppose you ran out of toilet cleaner in your...Ch. 15 - When air cools at night, water often condenses out...Ch. 15 - When relative humidity is high, sweat does not...Ch. 15 - A certain perfume tends to lack a top note. What...Ch. 15 - A certain perfume tends to lack a bottom note....Ch. 15 - Draw a section of the polyethylene polymer about...Ch. 15 - Draw a section of the polyethylene polymer about...Ch. 15 - Give the structure of the monomer from which the...Ch. 15 - Give the structure of the addition polymer that...Ch. 15 - Give the structure of the condensation copolymer...Ch. 15 - Give the structure of the condensation copolymer...Ch. 15 - You are planning a backpacking trip and notice...Ch. 15 - One of the advantages of polymers is their...Ch. 15 - Which of the following detergent molecules are...Ch. 15 - What is wrong with this molecular picture of a...

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