Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 2, Problem 1AC
Detergents help clean by dispersing fats and oils in water so that they can be rinsed away. What general chemical structures (for example, polar or nonpolar parts) must a soap or detergent have, and why?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
For each of the following chemicals, name the general class they belong to, discuss their solubility in water and explain why they are/are not soluble in water (note the numbers are all subscripts):
a) CH3(CH2)26COOH
b) KCl
c) CH3OH
(d) Identify a wax from the list of compounds shown. ____________(e) Identify a diglyceride from the list of compounds shown. ____________(f) Identify a nonlipid from the list of compounds shown. ____________
write n/a if none
When you mix oil and water they immediately separate because*a). Water is too good for oil b). Both oil and water are polar c). Water is polar and oils are non polar d). Oil is dirty and water is clean
Chapter 2 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 2.1 - What is the mass number of hydrogen? Of helium?Ch. 2.1 - Unstable Atoms Unleashed Because exposure to...Ch. 2.1 - Prob. 2TCCh. 2.1 - What causes the coals of a campfire to glow?Ch. 2.1 - In addition to lower brain activity, what other...Ch. 2.1 - define clement and atom?Ch. 2.1 - Prob. 2CYLCh. 2.1 - explain atomic number and mass number?Ch. 2.1 - explain radioactivity and its dangers and...Ch. 2.1 - describe electron shells?
Ch. 2.2 - At a physical exam, Thomas, a sedentary...Ch. 2.2 - Prob. 1CYLCh. 2.2 - Prob. 2CYLCh. 2.2 - explain atomic number and mass number?Ch. 2.3 - The slap of a belly flop provides firsthand...Ch. 2.3 - Prob. 1TCCh. 2.3 - Predict how a drop of water on an oil-coated...Ch. 2.3 - Prob. 3TCCh. 2.3 - Prob. 1CYLCh. 2.3 - Prob. 2CYLCh. 2.3 - explain atomic number and mass number?Ch. 2.3 - Prob. 1CTCh. 2 - Which of the following is false? a. An dement is...Ch. 2 - Prob. 2MCCh. 2 - Isotopes are defined as a. atoms of the same...Ch. 2 - Prob. 4MCCh. 2 - Prob. 5MCCh. 2 - An atom consists of an atomic nucleus composed of...Ch. 2 - An atom that has lost or gained one or more...Ch. 2 - Prob. 3FIBCh. 2 - Prob. 4FIBCh. 2 - Water is described as __________ because each...Ch. 2 - Prob. 1RQCh. 2 - Distinguish between atoms and molecules and among...Ch. 2 - Prob. 3RQCh. 2 - Prob. 4RQCh. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Detergents help clean by dispersing fats and oils...Ch. 2 - Prob. 2ACCh. 2 - Prob. 3AC
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Many consumer products are almost identical in chemical composition but are sold under different brand names and at varying prices. Should some medical drugs be identified by their chemical (generic) names or trade names? Why?arrow_forwardNOTE: translucent (positive for fats) and opaque (negative for fats) To test for lipids, when we put one drop of corn oil on a paper towel (positive control): what opacity (translucent or opaque) did you observe in the paper towel? Does that mean the substance is present or absent? To test for lipids, when we put one drop of distilled water on a paper towel (negative control): what opacity (translucent or opaque) did you observe in the paper towel? Does that mean the substance is present or absent? What is the purpose of having controls when testing for lipids in this experiment?arrow_forwardThis is about Beer-Lambert’s Law and UV-vis Spectroscopy: 1) How does a solution interact with light?2) How are absorbance and transmittance related? 3) How do you make an absorbance spectrum?arrow_forward
- (please type answer)arrow_forwardin a solution, the solvent is: A) always a gas B) always water C) the substance that is dissovled D) the substance in the Greatest amountarrow_forwardYou have a 1000X stock solution of sodium chloride (NaCl). The concentration of NaCl in the stock solution is 5M. a)How would you make 300mL of a 1X solution? b)What is the concentration of NaCl in your 1X solution?arrow_forward
- The PH formula is given as PH=-log(H+). The H+ is the number of free ions of hydrogen. A seven PH is considered neutral. Discuss what having a low PH and a high PH means. What does a 12 PH mean? How about a 2? Which is more caustic? Is either a good thing at extremely high or low values? Explain fully as to what a PH means to you and what you use it for.arrow_forwardImagine you have an oil/water mixture where the oil is non-polar and the water is polar. Your friend grabs table salt (sodium chloride) and throws it into the mixture. What do you expect to see? If your friend has no chemistry background, what would you say to your friend to explain the result?arrow_forwardWhen one handles fish, your hands often retain a "fishy smell" due to the organic amines, molecules that have chemistry similar to ammonia. Washing your hands with ordinary soap generally does not remove the "fishy smell". Suggest a common household material that would remove the "fishy smell" if used to wash your hands.arrow_forward
- In an electrostatic interaction, the strength of the bond is: Oa) proportional to the charges on the two interacting atoms. b) proportional to the dielectric constant of the medium. c) proportional to the charges of the two atoms and to the dielectric constant of the medium. d) proportional to the Charges of the two atoms and inversely proportional to the distance between the two atoms e) inversely proportional to the distance between the two atoms.arrow_forwardSuccinic acid Report Organic chemistry Physical properties: Color Shape Solubility Effects on litmus paper The chemical properties: Experiment Observation Conclusion The unknown is The chemical formulaarrow_forwardA homogeneous mixture consists of 12% ethanol, 28% methanol and 60% water. Which of these is the solvent for the mixture? A) ethanol B) methanol C) water D) Ethanol and Methanolarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Infection Prevention and Control; Author: thecityoftoronto;https://www.youtube.com/watch?v=jx9sRYmBW3Q;License: Standard Youtube License