Bundle: Chemistry: An Atoms First Approach, 2nd, Loose-Leaf + OWLv2, 4 terms (24 months) Printed Access Card
2nd Edition
ISBN: 9781305717633
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Chapter 10, Problem 72E
A solution contains 3.75 g of a nonvolatile pure hydrocarbon in 95 g acetone. The boiling points of pure acetone and the solution are 55.95°C and 56.50°C, respectively. The molal boiling-point constant of acetone is 1.71 °C · kg/mol. What is the molar mass of the hydrocarbon?
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Learning Goal:
This question reviews the format for writing an element's written symbol. Recall that written symbols have a particular format. Written symbols use a form like this:
35 Cl
17
In this form the mass number, 35, is a stacked superscript. The atomic number, 17, is a stacked subscript. "CI" is the chemical symbol for the element chlorine. A general way to show this form is:
It is also correct to write symbols by leaving off the atomic number, as in the following form:
atomic number
mass number Symbol
35 Cl or
mass number Symbol
This is because if you write the element symbol, such as Cl, you know the atomic number is 17 from that symbol. Remember that the atomic number, or number of protons in the nucleus, is what defines the element. Thus, if 17 protons
are in the nucleus, the element can only be chlorine. Sometimes you will only see 35 C1, where the atomic number is not written.
Watch this video to review the format for written symbols.
In the following table each column…
need help please and thanks dont understand only need help with C-F
Learning Goal:
As discussed during the lecture, the enzyme HIV-1 reverse transcriptae (HIV-RT) plays a significant role for the HIV virus and is an important drug target. Assume a concentration [E] of 2.00 µM (i.e. 2.00 x 10-6 mol/l) for HIV-RT. Two potential drug molecules, D1 and D2, were identified, which form stable complexes with the HIV-RT.
The dissociation constant of the complex ED1 formed by HIV-RT and the drug D1 is 1.00 nM (i.e. 1.00 x 10-9). The dissociation constant of the complex ED2 formed by HIV-RT and the drug D2 is 100 nM (i.e. 1.00 x 10-7).
Part A - Difference in binding free eenergies
Compute the difference in binding free energy (at a physiological temperature T=310 K) for the complexes. Provide the difference as a positive numerical expression with three significant figures in kJ/mol.
The margin of error is 2%.
Part B - Compare difference in free energy to the thermal…
need help please and thanks dont understand only need help with C-F
Learning Goal:
As discussed during the lecture, the enzyme HIV-1 reverse transcriptae (HIV-RT) plays a significant role for the HIV virus and is an important drug target. Assume a concentration [E] of 2.00 µM (i.e. 2.00 x 10-6 mol/l) for HIV-RT. Two potential drug molecules, D1 and D2, were identified, which form stable complexes with the HIV-RT.
The dissociation constant of the complex ED1 formed by HIV-RT and the drug D1 is 1.00 nM (i.e. 1.00 x 10-9). The dissociation constant of the complex ED2 formed by HIV-RT and the drug D2 is 100 nM (i.e. 1.00 x 10-7).
Part A - Difference in binding free eenergies
Compute the difference in binding free energy (at a physiological temperature T=310 K) for the complexes. Provide the difference as a positive numerical expression with three significant figures in kJ/mol.
The margin of error is 2%.
Part B - Compare difference in free energy to the thermal…
Chapter 10 Solutions
Bundle: Chemistry: An Atoms First Approach, 2nd, Loose-Leaf + OWLv2, 4 terms (24 months) Printed Access Card
Ch. 10 - Prob. 1RQCh. 10 - Using KF as an example, write equations that refer...Ch. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - Define the terms in Raoults law. Figure 10-9...Ch. 10 - In terms of Raoults law, distinguish between an...Ch. 10 - Prob. 7RQCh. 10 - Prob. 8RQCh. 10 - Prob. 9RQCh. 10 - Prob. 10RQ
Ch. 10 - Prob. 1ALQCh. 10 - Prob. 2ALQCh. 10 - Prob. 3ALQCh. 10 - Prob. 4ALQCh. 10 - You have read that adding a solute to a solvent...Ch. 10 - Prob. 6ALQCh. 10 - Prob. 7ALQCh. 10 - Prob. 8ALQCh. 10 - Prob. 9ALQCh. 10 - Prob. 10ALQCh. 10 - Rubbing alcohol contains 585 g isopropanol...Ch. 10 - Prob. 12SRCh. 10 - Prob. 13SRCh. 10 - Prob. 14SRCh. 10 - Calculate the sodium ion concentration when 70.0...Ch. 10 - Write equations showing the ions present after the...Ch. 10 - Prob. 17QCh. 10 - The weak electrolyte NH3(g) does not obey Henrys...Ch. 10 - The two beakers in the sealed container...Ch. 10 - The following plot shows the vapor pressure of...Ch. 10 - Prob. 21QCh. 10 - Prob. 22QCh. 10 - Prob. 23QCh. 10 - Prob. 24QCh. 10 - Prob. 25QCh. 10 - Prob. 26QCh. 10 - Explain the terms isotonic solution, crenation,...Ch. 10 - Prob. 28QCh. 10 - Prob. 29ECh. 10 - Prob. 30ECh. 10 - Common commercial acids and bases are aqueous...Ch. 10 - In lab you need to prepare at least 100 mL of each...Ch. 10 - Prob. 33ECh. 10 - Prob. 34ECh. 10 - Prob. 35ECh. 10 - Calculate the molarity and mole fraction of...Ch. 10 - Prob. 37ECh. 10 - Prob. 38ECh. 10 - Prob. 39ECh. 10 - Prob. 40ECh. 10 - Although Al(OH)3 is insoluble in water, NaOH is...Ch. 10 - Prob. 42ECh. 10 - Prob. 43ECh. 10 - Prob. 44ECh. 10 - Prob. 45ECh. 10 - Which ion in each of the following pairs would you...Ch. 10 - Rationalize the trend in water solubility for the...Ch. 10 - Prob. 48ECh. 10 - The solubility of nitrogen in water is 8.21 104...Ch. 10 - Calculate the solubility of O2 in water at a...Ch. 10 - Glycerin, C3H8O3, is a nonvolatile liquid. What is...Ch. 10 - Prob. 52ECh. 10 - The normal boiling point of diethyl ether is...Ch. 10 - At a certain temperature, the vapor pressure of...Ch. 10 - A solution is made by dissolving 25.8 g urea...Ch. 10 - A solution of sodium chloride in water has a vapor...Ch. 10 - Prob. 57ECh. 10 - A solution is prepared by mixing 0.0300 mole of...Ch. 10 - What is the composition of a methanol...Ch. 10 - Benzene and toluene form an ideal solution....Ch. 10 - Which of the following will have the lowest total...Ch. 10 - Prob. 62ECh. 10 - Match the vapor pressure diagrams with the...Ch. 10 - The vapor pressures of several solutions of...Ch. 10 - A solution is prepared by dissolving 27.0 g urea,...Ch. 10 - A 2.00-g sample of a large biomolecule was...Ch. 10 - What mass of glycerin (C3H8O3), a nonelectrolyte,...Ch. 10 - The freezing point of 1-butanol is 25.50C and Kf...Ch. 10 - Prob. 69ECh. 10 - What volume of ethylene glycol (C2H6O2), a...Ch. 10 - Reserpine is a natural product isolated from the...Ch. 10 - A solution contains 3.75 g of a nonvolatile pure...Ch. 10 - a. Calculate the freezing-point depression and...Ch. 10 - Erythrocytes are red blood cells containing...Ch. 10 - Prob. 75ECh. 10 - Prob. 76ECh. 10 - Prob. 77ECh. 10 - Prob. 78ECh. 10 - Consider the following solutions: 0.010 m Na3PO4...Ch. 10 - From the following: pure water solution of...Ch. 10 - Prob. 81ECh. 10 - Prob. 82ECh. 10 - Prob. 83ECh. 10 - Consider the following representations of an ionic...Ch. 10 - Prob. 85ECh. 10 - Prob. 86ECh. 10 - Use the following data for three aqueous solutions...Ch. 10 - The freezing-point depression of a 0.091-m...Ch. 10 - Prob. 89ECh. 10 - A 0.500-g sample of a compound is dissolved in...Ch. 10 - The solubility of benzoic acid (HC7H5O2), is 0.34...Ch. 10 - Prob. 92AECh. 10 - Prob. 94AECh. 10 - Explain the following on the basis of the behavior...Ch. 10 - Prob. 96AECh. 10 - Prob. 97AECh. 10 - Prob. 98AECh. 10 - A solution is made by mixing 50.0 g acetone...Ch. 10 - Prob. 100AECh. 10 - Prob. 101AECh. 10 - Prob. 102AECh. 10 - An unknown compound contains only carbon,...Ch. 10 - Prob. 104AECh. 10 - Prob. 105AECh. 10 - Prob. 106AECh. 10 - Prob. 107AECh. 10 - Prob. 108AECh. 10 - Patients undergoing an upper gastrointestinal...Ch. 10 - Prob. 110CWPCh. 10 - Prob. 111CWPCh. 10 - For each of the following pairs, predict which...Ch. 10 - The normal boiling point of methanol is 64.7C. A...Ch. 10 - A solution is prepared by mixing 1.000 mole of...Ch. 10 - Prob. 115CWPCh. 10 - A 4.7 102 mg sample of a protein is dissolved in...Ch. 10 - Prob. 117CWPCh. 10 - The vapor pressure of pure benzene is 750.0 torr...Ch. 10 - Prob. 119CPCh. 10 - Plants that thrive in salt water must have...Ch. 10 - You make 20.0 g of a sucrose (C12H22O11) and NaCl...Ch. 10 - Prob. 122CPCh. 10 - The vapor in equilibrium with a pentane-hexane...Ch. 10 - Prob. 124CPCh. 10 - Prob. 125CPCh. 10 - Prob. 126CPCh. 10 - Prob. 127CPCh. 10 - You have a solution of two volatile liquids, A and...Ch. 10 - In some regions of the southwest United States,...Ch. 10 - Prob. 130IPCh. 10 - An aqueous solution containing 0.250 mole of Q, a...Ch. 10 - Anthraquinone contains only carbon, hydrogen, and...
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY