Study Guide for Chemistry: The Central Science
Study Guide for Chemistry: The Central Science
14th Edition
ISBN: 9780134554075
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus, James C. Hill
Publisher: PEARSON
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Chapter 13, Problem 14E

Indicate whether each statement is true or false: (a) NaCl dissolves in water but not in benzene (C6 H6 ) because benzene is denser than water. (b) NaCl dissolves in water but not in benzene because water has a large dipole moment and benzene has zero dipole moment. (c) NaCl dissolves in water but not in benzene because the water-ion interactions are stronger than benzene-ion interactions.

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5.) Calculate the concentration of carbon dioxide in a soft drink that was bottled under a partial pressure of 5.0 atm CO2 at 25°C (a) before the bottle is opened and (b) after the soda has gone "flat" at 25°C. The Henry's law constant for CO2 in water at this temperature is 3.1×10-2 mol/L-atm. Assume that the partial pressure of CO2 in air is 0.0003 atm and that Henry's law constant for the soft drink is the same as that for water. (Use c = kP)
The Henry's law constant for O2 is 1.3 x 10° mol · L. atm at 25°C. (a) What is the concentration of O2 in water at 25°C if the partial pressure of O2 in the atmosphere is 0.21 atm? Express concentration: (i) in mol/L, and (ii) in ppm (by mass). (b) How many grams of O2 is dissolved in water in a 1.0 x 10ʻ- L capacity aquarium? (Assume density of solution is 1.0 g/mL).
Cyclohexanol, C H,,OH, is sometimes used as the solvent in molecular weight determinations by freezing-point depression. If 0.253 g of benzoic acid, C H COOH, dissolved in 12.45 g of cyclohexanol lowered the freezing-point of pure cyclohexanol by 6.55°C, what is the molal freezing-point constant, Ke, of this solvent? 3.

Chapter 13 Solutions

Study Guide for Chemistry: The Central Science

Ch. 13.4 - Prob. 13.6.1PECh. 13.4 - Prob. 13.6.2PECh. 13.5 - Prob. 13.7.1PECh. 13.5 - Prob. 13.7.2PECh. 13.5 - Which aqueous solution will have the lowest...Ch. 13.5 - Prob. 13.8.2PECh. 13.5 - Prob. 13.9.1PECh. 13.5 - Prob. 13.9.2PECh. 13.5 - Prob. 13.10.1PECh. 13.5 - Practice Exercise 2 Camphor (C10 H16 O) melts at...Ch. 13.5 - Prob. 13.11.1PECh. 13.5 - Prob. 13.11.2PECh. 13 - Prob. 1DECh. 13 - Rank the contents of the following containers in...Ch. 13 - This figure shows the interaction of a cation with...Ch. 13 - Consider two ionic solids, both composed of singly...Ch. 13 - Which two statements about gas mixtures are true?...Ch. 13 - Prob. 5ECh. 13 - 13.6 If you compare the solubilities of the noble...Ch. 13 - Prob. 7ECh. 13 - Prob. 8ECh. 13 - Prob. 9ECh. 13 - Prob. 10ECh. 13 - Suppose you had a balloon made of some highly...Ch. 13 - Prob. 12ECh. 13 - Indicate whether each statement is true or false:...Ch. 13 - Indicate whether each statement is true or false:...Ch. 13 - Indicate the type of solute-solvent interaction...Ch. 13 - Indicate the principal type of solute-solvent...Ch. 13 - An ionic compound has a very negative H soln in...Ch. 13 - When ammonium chloride dissolves in water, the...Ch. 13 - Prob. 19ECh. 13 - Prob. 20ECh. 13 - Prob. 21ECh. 13 - KBr is relatively soluble in water, yet its...Ch. 13 - The solubility of Cr (NO3)3 . 9 H2O in water is...Ch. 13 - The solubility of MnSO4 . H2 O in water at 20 C is...Ch. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Prob. 27ECh. 13 - Prob. 28ECh. 13 - Prob. 29ECh. 13 - Prob. 30ECh. 13 - Would you expect stearic acid, CH3 (CH2)16COOH, to...Ch. 13 - Prob. 32ECh. 13 - Prob. 33ECh. 13 - Prob. 34ECh. 13 - Indicate whether each statement is true or false:...Ch. 13 - 13.36 Indicate whether each statement is true or...Ch. 13 - The Henry’s law constant for helium gas in water...Ch. 13 - Prob. 38ECh. 13 - Prob. 39ECh. 13 - Prob. 40ECh. 13 - Prob. 41ECh. 13 - Prob. 42ECh. 13 - 13.43 Calculate the morality of the following...Ch. 13 - Prob. 44ECh. 13 - Calculate the molality of each of the following...Ch. 13 - (a) What is the molality of a solution formed by...Ch. 13 - Prob. 47ECh. 13 - Prob. 48ECh. 13 - Prob. 49ECh. 13 - The density of toluene (C7H8) is 0.867 g\mL, and...Ch. 13 - Calculate the number of moles of solute present in...Ch. 13 - Calculate the number of moles of solute present in...Ch. 13 - Prob. 53ECh. 13 - Describe how you would prepare each of the...Ch. 13 - Commercial aqueous nitric acid has a density of...Ch. 13 - Prob. 56ECh. 13 - Prob. 57ECh. 13 - Prob. 58ECh. 13 - Prob. 59ECh. 13 - Prob. 60ECh. 13 - Prob. 61ECh. 13 - Prob. 62ECh. 13 - Consider two solutions, one formed by adding 10 g...Ch. 13 - Prob. 64ECh. 13 - Prob. 65ECh. 13 - (a) Calculate the vapor pressure of water above a...Ch. 13 - Prob. 67ECh. 13 - At 20 oC, the vapor pressure of benzene (C6 H6) is...Ch. 13 - Prob. 69ECh. 13 - Prob. 70ECh. 13 - Prob. 71ECh. 13 - Prob. 72ECh. 13 - Using data from Table 13.3, calculate the freezing...Ch. 13 - Prob. 74ECh. 13 - Prob. 75ECh. 13 - Prob. 76ECh. 13 - Prob. 77ECh. 13 - Prob. 78ECh. 13 - Prob. 79ECh. 13 - Lauryl alcohol is obtained from coconut oil and is...Ch. 13 - Prob. 81ECh. 13 - Prob. 82ECh. 13 - The osmotic pressure of a 0.010 M aqueous solution...Ch. 13 - Based on the given data in Table 13.4, which...Ch. 13 - (a) Do colloids made only of gases exist? Why or...Ch. 13 - Prob. 86ECh. 13 - An “emulsifying agent” is a compound that helps...Ch. 13 - Aerosols are important components of the...Ch. 13 - Prob. 89ECh. 13 - Soaps consist of compounds such as sodium state,...Ch. 13 - Prob. 91AECh. 13 - Prob. 92AECh. 13 - Most fish need at least 4 ppm dissolved O2 in...Ch. 13 - The presence of the radioactive gas radon (Rn) in...Ch. 13 - Prob. 95AECh. 13 - Prob. 96AECh. 13 - The maximum allowable concentration of lead in...Ch. 13 - Prob. 98AECh. 13 - Prob. 99AECh. 13 - Prob. 100AECh. 13 - Prob. 101AECh. 13 - The normal boiling point of ethanol, is 78.4 0C....Ch. 13 - Prob. 103AECh. 13 - Carbon disulfide (CS2) boils at 46.30 o C and has...Ch. 13 - Prob. 105AECh. 13 - Prob. 106IECh. 13 - At ordinary body temperature (37 o C), the...Ch. 13 - Prob. 108IECh. 13 - Prob. 109IECh. 13 - Prob. 110IECh. 13 - Prob. 111IECh. 13 - Prob. 112IECh. 13 - At 35 o C the vapor pressure of acetone, (CH3)2CO,...Ch. 13 - Prob. 114IE
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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