EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
12th Edition
ISBN: 9781337915984
Author: Bettelheim
Publisher: Cengage Learning
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Chapter 29, Problem 36P
Interpretation Introduction
Interpretation:
The reason corresponding to the fact that Recommended Dietary Allowance (RDA) is being phased out in favor of the Daily Reference Intake (DRI) is to be stated.
Concept Introduction:
Recommended Dietary Allowance (RDA) includes the levels of intake of the essential nutrients which are actually examined by the FOOD and Nutrition Board. The judgment is based on the scientific knowledge to prove that the essential nutrients are adequate. These essential nutrients should fulfill the known nutrient needs of all the healthy people.
The Daily Reference Intake (DRI) includes those reference values that are used to explain and evaluate the nutrient intake of a healthy person.
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Suppose sodium sulfate has been gradually added to 100 mL of a solution containing calcium ions and strontium ions, both at 0.15 mol/L. Indicate the alternative that presents the percentage of strontium ions that will have precipitated when the calcium sulfate begins to precipitate.
Data: Kps of calcium sulfate: 2.4x10 ⁻ ⁵; Kps of strontium sulfate: 3.2x10 ⁻ ⁷
A) 20,2 %
B) 36,6 %
C) 62,9 %
D) 87,5 %
E) 98.7%
14:43 A
Candidate Identification
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14. The following diagrams represent
hypothetical membrane structures with
their components numbered from 1 to 6.
Based on the figures and your knowledge
of biological membranes, select the
correct alternative.
|
3
5
||
人
2
500000
6
A) Structures 1, 3, 5, 2 and 4 are present
in a constantly fluid arrangement that
allows the selectivity of the movement
○ of molecules. Structure 4, present
integrally or peripherally, is responsible
for this selection, while the quantity of 6
regulates the fluidity.
B) The membranes isolate the cell from
the environment, but allow the passage
of water-soluble molecules thanks to
the presence of 2 and 3. The membrane
in scheme is more fluid than that in
55
12. Mark the correct statement about
reactions a and b :
a.
Br
+ -OH
Br
b.
+ Br
H₂O
+
Br
-OH
+
H₂O
A) The reactions are elimination
reactions, with reaction "a" being of type
E2 and reaction "b" being of type E1.
B) Reaction "a" is an E2 type elimination
occurring in one step and reaction "b" is
an SN1 type substitution.
C) Both reactions can result in the
formation of carbocation, but in reaction
"b" the most stable carbocation will be
formed.
D) Both reactions occur at the same rate
○ and have the same number of reaction
steps.
E) Reaction "b" is an E2 type elimination
occurring in two steps and reaction "a" is
an SN2 type substitution.
Chapter 29 Solutions
EP INTRO.TO GENERAL,ORGANIC...-OWL ACCE
Ch. 29.1 - Prob. 29.1QCCh. 29.2 - Prob. 29.2QCCh. 29.3 - Prob. 29.3QCCh. 29.4 - What is the purpose of the gall bladder?Ch. 29.5 - Prob. 29.5QCCh. 29.6 - Prob. 29.6QCCh. 29 - Are nutrient requirements uniform for everyone?Ch. 29 - Is banana flavoring, isopentyl acetate, a...Ch. 29 - If sodium benzoate, a food preservative, is...Ch. 29 - Prob. 4P
Ch. 29 - Prob. 5PCh. 29 - Prob. 6PCh. 29 - Prob. 7PCh. 29 - Can a chemical that, in essence, goes through the...Ch. 29 - Prob. 9PCh. 29 - Prob. 10PCh. 29 - Prob. 11PCh. 29 - Prob. 12PCh. 29 - Prob. 13PCh. 29 - Humans cannot digest wood; termites do so with the...Ch. 29 - Prob. 15PCh. 29 - Prob. 16PCh. 29 - Prob. 17PCh. 29 - Which nutrient provides energy in its most...Ch. 29 - Prob. 19PCh. 29 - Prob. 20PCh. 29 - Prob. 21PCh. 29 - Prob. 22PCh. 29 - Is it possible to get a sufficient supply of...Ch. 29 - Prob. 24PCh. 29 - Prob. 25PCh. 29 - 30-26 Which one will be digested faster: (a) a raw...Ch. 29 - Prob. 27PCh. 29 - Prob. 28PCh. 29 - Prob. 29PCh. 29 - Prob. 30PCh. 29 - Prob. 31PCh. 29 - Prob. 32PCh. 29 - Prob. 33PCh. 29 - Prob. 34PCh. 29 - Prob. 35PCh. 29 - Prob. 36PCh. 29 - What are the nonspecific effects of vitamin E, C,...Ch. 29 - Prob. 38PCh. 29 - Prob. 39PCh. 29 - Prob. 40PCh. 29 - Prob. 41PCh. 29 - Why would many athletes believe that taking large...Ch. 29 - Prob. 43PCh. 29 - Prob. 45PCh. 29 - Prob. 46PCh. 29 - Prob. 47PCh. 29 - Prob. 48PCh. 29 - Prob. 49PCh. 29 - Prob. 50PCh. 29 - Prob. 51PCh. 29 - Prob. 52PCh. 29 - Prob. 53PCh. 29 - Prob. 54PCh. 29 - Prob. 55PCh. 29 - Prob. 56PCh. 29 - Prob. 57PCh. 29 - Prob. 58PCh. 29 - Prob. 59PCh. 29 - Prob. 60PCh. 29 - Prob. 61PCh. 29 - Prob. 62PCh. 29 - Prob. 63PCh. 29 - Prob. 64PCh. 29 - Prob. 65PCh. 29 - Prob. 66PCh. 29 - Prob. 67PCh. 29 - Prob. 68PCh. 29 - Prob. 69PCh. 29 - Prob. 70PCh. 29 - Prob. 71PCh. 29 - Prob. 72PCh. 29 - Prob. 73PCh. 29 - Prob. 74PCh. 29 - Prob. 75PCh. 29 - Prob. 76PCh. 29 - Prob. 77PCh. 29 - Prob. 78PCh. 29 - Why is it necessary to have protein in our diets?Ch. 29 - Prob. 80PCh. 29 - Prob. 81PCh. 29 - Prob. 82PCh. 29 - Prob. 83PCh. 29 - Prob. 84PCh. 29 - Egg yolk contains a lot of lecithin (a...Ch. 29 - Prob. 86PCh. 29 - Prob. 87PCh. 29 - Prob. 88P
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