Pearson eText Chemistry: The Central Science -- Access Card
14th Edition
ISBN: 9780136848981
Author: Brown, Theodore, Lemay, H., Bursten, Bruce, Murphy, Catherine, Woodward, Patrick, Stoltzfus, Matthew
Publisher: PEARSON
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Chapter 11, Problem 70E
Interpretation Introduction
To determine: The difference between the cholesteric liquid crystal phase and nematic crystal phase.
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During the lecture, we calculated the Debye length at physiological salt concentrations and temperature, i.e. at an ionic strength of 150 mM (i.e. 0.150 mol/l) and a temperature of T=310 K. We predicted that electrostatic interactions are effectively screened beyond distances of 8.1 Å in solutions with a physiological salt concentration.
What is the Debye length in a sample of distilled water with an ionic strength of 10.0 µM (i.e. 1.00 * 10-5 mol/l)? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).
Chapter 11 Solutions
Pearson eText Chemistry: The Central Science -- Access Card
Ch. 11.2 - Which of the following substances is most likely...Ch. 11.2 - Prob. 11.1.2PECh. 11.3 - Prob. 11.2.1PECh. 11.3 - Prob. 11.2.2PECh. 11.4 - What information about water is needed to...Ch. 11.4 - Prob. 11.3.2PECh. 11.5 -
In the mountains, water in an open container will...Ch. 11.5 - Prob. 11.4.2PECh. 11.6 - Prob. 11.5.1PECh. 11.6 - Prob. 11.5.2PE
Ch. 11.7 - Liquid crystalline phases are produced by which of...Ch. 11.7 - Prob. 11.6.2PECh. 11 - Prob. 1DECh. 11 - Prob. 1ECh. 11 - Prob. 2ECh. 11 - Prob. 3ECh. 11 - If 42.0 kj of heat is added to a 32.0-g sample of...Ch. 11 - Prob. 5ECh. 11 - The molecules have the same molecular formula...Ch. 11 - Prob. 7ECh. 11 - Prob. 8ECh. 11 - Prob. 9ECh. 11 - Prob. 10ECh. 11 - Prob. 11ECh. 11 - Prob. 12ECh. 11 - Prob. 13ECh. 11 - Prob. 14ECh. 11 - Prob. 15ECh. 11 - Prob. 16ECh. 11 - Describe the intermolecular forces that must be...Ch. 11 - Prob. 18ECh. 11 - List the following molecules in order of...Ch. 11 - True or false: a. For molecules with similar...Ch. 11 - Prob. 21ECh. 11 - Prob. 22ECh. 11 - Prob. 23ECh. 11 - Prob. 24ECh. 11 - Prob. 25ECh. 11 - Prob. 26ECh. 11 - Prob. 27ECh. 11 - Prob. 28ECh. 11 - Prob. 29ECh. 11 - Prob. 30ECh. 11 - A number of salts containing the tetrahedral...Ch. 11 - Prob. 32ECh. 11 - a. What is the relationship between surface...Ch. 11 - Prob. 34ECh. 11 - Prob. 35ECh. 11 - Prob. 36ECh. 11 - The boiling points, surface tension, and...Ch. 11 - Prob. 38ECh. 11 - Prob. 39ECh. 11 - Prob. 40ECh. 11 - Prob. 41ECh. 11 - Prob. 42ECh. 11 - 11.43 For many years drinking water has been...Ch. 11 - Prob. 44ECh. 11 - Prob. 45ECh. 11 - The fluorocarbon compound C2 Cl 3£'y has a normal...Ch. 11 - 11.47 Indicate whether each statement is true or...Ch. 11 - Prob. 48ECh. 11 - 11,49 Which of the following affects the vapor...Ch. 11 - Prob. 50ECh. 11 - Prob. 51ECh. 11 - Prob. 52ECh. 11 - Prob. 53ECh. 11 - Prob. 54ECh. 11 - Prob. 55ECh. 11 - Prob. 56ECh. 11 - Prob. 57ECh. 11 - Prob. 58ECh. 11 - Prob. 59ECh. 11 - Prob. 60ECh. 11 - Prob. 61ECh. 11 - Prob. 62ECh. 11 - Prob. 63ECh. 11 - Prob. 64ECh. 11 - In terms of the arrangement and freedom of motion...Ch. 11 - Prob. 66ECh. 11 - Prob. 67ECh. 11 - Prob. 68ECh. 11 - Prob. 69ECh. 11 - Prob. 70ECh. 11 - Prob. 71ECh. 11 - Prob. 72ECh. 11 - Prob. 73AECh. 11 - Prob. 74AECh. 11 - Prob. 75AECh. 11 - Prob. 76AECh. 11 - Prob. 77AECh. 11 - The table below shows the normal boiling points of...Ch. 11 - Prob. 79AECh. 11 - Prob. 80AECh. 11 - Prob. 81AECh. 11 - Prob. 82AECh. 11 - Prob. 83AECh. 11 - Prob. 84AECh. 11 - Prob. 85AECh. 11 - Prob. 86AECh. 11 - Prob. 87AECh. 11 - Prob. 88AECh. 11 - Prob. 89AECh. 11 - Prob. 90IECh. 11 - Prob. 91IECh. 11 - Prob. 92IECh. 11 - 11.93 The vapor pressure of ethanol (C2H5OH) at 19...Ch. 11 - Prob. 94IECh. 11 - Prob. 95IECh. 11 - Prob. 96IECh. 11 - Prob. 97IE
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- Influence of salt concentrations on electrostatic interactions 2 Answer is 2.17A why not sure step by step please What is the Debye length in a concentrated salt solution with an ionic strength of 2.00 mol/l? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).arrow_forwardThe name of the following molecule is: Νarrow_forwardThe table shows the tensile stress-strain values obtained for various hypothetical metals. Based on this, indicate which is the most brittle and which is the most tough (or most resistant). Breaking strength Elastic modulus Material Yield strength Tensile strength Breaking strain A (MPa) 415 (MPa) (MPa) (GPa) 550 0.15 500 310 B 700 850 0.15 720 300 C Non-effluence fracture 650 350arrow_forward
- Please correct answer and don't used hand raitingarrow_forwardThe table shows the tensile stress-strain values obtained for various hypothetical metals. Based on this, indicate which material will be the most ductile and which the most brittle. Material Yield strength Tensile strength Breaking strain Breaking strength Elastic modulus (MPa) (MPa) (MPa) (GPa) A 310 340 0.23 265 210 B 100 120 0.40 105 150 с 415 550 0.15 500 310 D 700 850 0.14 720 210 E - Non-effluence fracture 650 350arrow_forwardPlease correct answer and don't used hand raitingarrow_forward
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