Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 39SAE
Water is a precious natural
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A new analytical method to detect pollutants (D) in water is being tested. This new method of chemical analysis is important because, if adopted, it could be used to detect three different contaminants-organic pollutants (O), volatile solvents (V), and chlorinated compounds (C)-instead of having to use a single test for each pollutant. The makers of the test claim that it can detect high levels of organic pollutants with 99.7% accuracy, volatile solvents with 99.95% accuracy, and chlorinated components with 89.7% accuracy. If a pollutant is not present, the test does not signal. Samples are prepared for the calibration of the test and 60% of them are contaminated with organic pollutants, 27% with volatile solvents, and 13% with traces of chlorinated compounds. A test sample is selected randomly.
(a) What is the probability that the test will signal?
(b) If the test signals, what is the probability that chlorinated compounds are present?
Note: Use the notations in the brackets to…
Why is water measure in pharmaceutical products essential? answer at your own words and answer should be to the point, not any irrelevant words
Solution A has a more negative water
potential than solution B.
Which of the following statements is/are
1
correct?
Statement 1: Solution B has a higher wa
potential than solution A
Statement 2: There would be a net
movement of water from solution A to
solution B
Statement 3: There would be a net
movement of water from solution A to
distilled water
A
1,2 and 3 are correct
B Only 1 and 2 are correct
C Only 2 and 3 are correct
D Only 1is correct
Memb
Chapter 2 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 2 - Prob. 1MCCh. 2 - 2. Pick out the correct match(es) of element and...Ch. 2 - Important functions of water include which of the...Ch. 2 - 4. Alkaline substances include which of the...Ch. 2 - Glucose is to starch as a. a steroid is to a...Ch. 2 - 6. What lipid type is stored in fat deposits...Ch. 2 - Absence of which of the following...Ch. 2 - ATP is not associated with a. a basic nucleotide...Ch. 2 - The element essential for normal thyroid function...Ch. 2 - 10. Factors that increase the speed of chemical...
Ch. 2 - Why is a study of basic chemistry essential to...Ch. 2 - Matter occupies space and has mass. Explain how...Ch. 2 - Prob. 13SAECh. 2 - Prob. 14SAECh. 2 - Prob. 15SAECh. 2 - Prob. 16SAECh. 2 - All atoms are neutral. Explain the basis of this...Ch. 2 - Fill in the following table to fully describe an...Ch. 2 - Define radioactivity. If an element has three...Ch. 2 - Prob. 20SAECh. 2 - Prob. 21SAECh. 2 - Prob. 22SAECh. 2 - The two oxygen atoms forming molecules of oxygen...Ch. 2 - Prob. 24SAECh. 2 - 25. Identify each of the following reactions as a...Ch. 2 - Prob. 26SAECh. 2 - Prob. 27SAECh. 2 - 28. Define pH. The pH range of blood is from 7.35...Ch. 2 - Prob. 29SAECh. 2 - Prob. 30SAECh. 2 - Prob. 31SAECh. 2 - Prob. 32SAECh. 2 - 33. Name the two protein classes based on...Ch. 2 - Prob. 34SAECh. 2 - Prob. 35SAECh. 2 - 36. What is the structural unit of nucleic acids?...Ch. 2 - Prob. 37SAECh. 2 - 38. Explain why you can “stack” water slightly...Ch. 2 - Water is a precious natural resource in...Ch. 2 - Explain the unique chemical makeup and...Ch. 2 - 41. Several antibiotics act by binding to certain...Ch. 2 - 42. Mrs. Roberts, who is in a diabetic coma, has...Ch. 2 - Sarah is quite proud of her slender, model-like...Ch. 2 - Prob. 44CTCh. 2 - Prob. 45CT
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