Bundle: Chemistry In Focus: A Molecular View Of Our World, 6th + Owlv2 6-month Printed Access Card
6th Edition
ISBN: 9781305618374
Author: Nivaldo J. Tro
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 15, Problem 30E
How do sunscreens protect your skin from the Sun’s rays? What does SPF indicate?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Do we need to re-apply physical sunscreen every 2 hours like chemical sunscreen? Should we use sunscreen on acne prone skin or not? Please deeply explain about this topic. Thank you
7. Statement 1: All food additives are carcinogenic.
Statement 2: Food additives must be avoided as much as possible.
A. True, False
B. True, True
C. False, False
D. False, True
8. How do thickeners improve a food product?
A. They prevent spoilage due to oxygenation
B. They increase the viscosity of a product
C. They preserve the flavor of a product
D. They keep food from drying out.
_9. It makes the food thicker by keeping oil and water mixed together.
A. Emulsifiers
C. Humectants
B. Flavor Enhancer
D. Antioxidants
Aqua is usually the number one ingredient in most products. It has a more common, everyday name and is vital for healthy skin. What is it? Explain its importance to our skin.
Chapter 15 Solutions
Bundle: Chemistry In Focus: A Molecular View Of Our World, 6th + Owlv2 6-month Printed Access Card
Ch. 15 - Prob. 15.1YTCh. 15 - Prob. 1SCCh. 15 - Prob. 2SCCh. 15 - Prob. 3SCCh. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - Prob. 3ECh. 15 - Prob. 4ECh. 15 - Prob. 5ECh. 15 - Prob. 6E
Ch. 15 - Prob. 7ECh. 15 - Prob. 8ECh. 15 - Prob. 9ECh. 15 - Prob. 10ECh. 15 - Prob. 11ECh. 15 - Prob. 12ECh. 15 - Prob. 13ECh. 15 - Define eutrophication.Ch. 15 - Prob. 15ECh. 15 - Prob. 16ECh. 15 - Prob. 17ECh. 15 - Prob. 18ECh. 15 - Prob. 19ECh. 15 - What are the three types of interactions that...Ch. 15 - Prob. 21ECh. 15 - Prob. 22ECh. 15 - Prob. 23ECh. 15 - Prob. 24ECh. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Prob. 27ECh. 15 - Prob. 28ECh. 15 - Prob. 29ECh. 15 - How do sunscreens protect your skin from the Suns...Ch. 15 - Prob. 31ECh. 15 - Prob. 32ECh. 15 - Prob. 33ECh. 15 - Prob. 34ECh. 15 - Prob. 35ECh. 15 - Prob. 36ECh. 15 - Prob. 37ECh. 15 - Prob. 38ECh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Prob. 43ECh. 15 - Prob. 44ECh. 15 - Prob. 45ECh. 15 - Prob. 46ECh. 15 - The salt bridges that hold hair protein (keratin)...Ch. 15 - Prob. 48ECh. 15 - The hydrochloric acid present in toilet bowl...Ch. 15 - Prob. 50ECh. 15 - Prob. 51ECh. 15 - Prob. 52ECh. 15 - Prob. 53ECh. 15 - Prob. 54ECh. 15 - Prob. 55ECh. 15 - Prob. 56ECh. 15 - Prob. 57ECh. 15 - Prob. 58ECh. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Prob. 61ECh. 15 - Prob. 62ECh. 15 - Prob. 64ECh. 15 - Prob. 65E
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is true about heavy metals and their environmental impact? a. Coffee and tea waste could be viable options to rid water of heavy metals. b. Based on the study shown in class, coffee is definitively the best option to rid heavy metals from water. c. Coffee, tea and caffeine all remove heavy metals from contaminated water through absorption. d. Copper is the most prevalent metal found in drinking water that can cause harm to the environment and humans. e. Copper and zinc concentrations in drinking water are significantly higher in areas with human activity.arrow_forwardFor this question: How SPF blocks UV rays from the Sun Please answers it Try to answer it in a presentation way please Provide notes/keywords to talk about Provide a 30 second video if possible Please also look at the image attached Please please please try to answer everythingarrow_forwardWhich of the following compounds might be an ingredient in a commercial sunscreen? Explain why or why not. а. b. CH30arrow_forward
- Directions: Read each question carefully. Choose the letter of the correct answer. 1. Who were the first people to believe that soap-like material can treat skin diseases? a. Babylons 2. Why did soap-making become widespread in the 18th century? a. It was known to treat skin diseases. b. It was used for laundering and washing with much less effort. c. It was known as a luxurious cleaning agent among wealthy people. d. It was used to advertise campaigns on personal hygiene and health. 3. Which of the following is NOT an ingredient in soap-making? b. Egyptian c. Greeks d. Romans c. natural raw material d. vegetable oils a. animal fats b. hydrocarbon from petroleum 4. Which of the following forms scum or film when used in hard water? a. detergent 5. What alkali can be added to make hard soap? a. Caustic potash 6. What is the use of the hydrophobic end of the chemical composition of soap and detergent? b. soap c. both a and b d. none of the choices b. soap c. Potassium hydroxide d. Soda…arrow_forwardChoose your answer on the words/terms written inside the box. Note: answers may repeat Preservatives Nitrites Food additives Chemical Preservatives Benzoic acid Sweeteners Sorbates salt Sodium nitrites Natural Preservatives Benzoates 1. Substance that improves the quality and safety of food. 2. Chemical that is added to food or beverages to prevent microbial growth or to avoid spoilage. 3. These act by killing bacteria and other microorganisms present in foods especially in acidic conditions. 4. Type of food preservatives that kills disease causing bacteria. _5. An antimicrobial agent preservative that inhibits the growth of molds, yeast and bacteria in food. _6. A traditional and natural preservative. 7. Two main types of preservatives. 8 9. Responsible for the pink color of hot dogs and hams 10. These preservatives are used in salad dressings and pickles. 11. Any substance added to food to increase the shelf value of food for storage. 12. Preservatives used in baked goods, canned…arrow_forwardUse the figure below to answer this question. Reflected Reflected by Reflected from earth's surface (4%) by clouds (20%) atmosphere (6%) V Absorbed by atmosphere (16%) Absorbed by clouds (3%) Absorbed by water, carried to clouds (23%) Absorbed by earth's surface (51%) What happens to incoming solar radiation? Radiated to space from clouds and atmosphere (64%) Radiation absorbed by atmosphere (15%) Convection (7%) Radiated to space from earth (6%) Most of it (>50%) is scattered by the atmosphere. Most of it (>50%) is reflected by the clouds. Most of it (>50%) is reflected from earth's surface. Most of it is absorbed by the earth and clouds in the lower atmosphere.arrow_forward
- What is the chemistry involved in sunscreens? What is the process of making sunscreens? Chemicals use in spf? What/why are chemicals bad in SPF Step by step chemistry process of spfarrow_forwardWhat method did the Persian healer and alchemist, Avicenna, develop that led to the art of aromatherapy? Choose one answer. a. identification of essential oils b. tainting of essential oils c. blending of essential oils d. distillation of essential oilsarrow_forward1. Discuss the guidelines in preventing chemical and physical hazards in food establishments.arrow_forward
- Question 10 Which scenario describes the most effective method of managing electronic waste to pro- duce the least amount of degradation in the environment? A large conglomerate in the United States ships electronic waste to developing countries for disposal. B. A computer company incinerates the electronic waste produced from defective prod- ucts to reduce the cost of landfill disposal. C. A school district uses recycle bins earmarked for the disposal of all electronic waste pro- duced throughout the school year. D. A hospital uses sanitary landfills to discard electronic waste to reduce the cost of recy- cling electronics.arrow_forwarddiscuss this title: Good carbs, bad carbs-how to make the right choices to maintain healtharrow_forwardWhat kinds of surfactants are used in today’s laundry-cleaning formulations?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
Chemistry In FocusChemistryISBN:9781305084476Author:Tro, Nivaldo J., Neu, Don.Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry In Focus
Chemistry
ISBN:9781305084476
Author:Tro, Nivaldo J., Neu, Don.
Publisher:Cengage Learning
SAR of Anticancer(Antineoplastic) Drug/ Alkylating agents/ Nitrogen Mustard; Author: Pharmacy Lectures;https://www.youtube.com/watch?v=zrzyK3LhUXs;License: Standard YouTube License, CC-BY