BuyFind

Physical Chemistry

2nd Edition
Ball + 3 others
Publisher: Wadsworth Cengage Learning,
ISBN: 9781133958437
BuyFind

Physical Chemistry

2nd Edition
Ball + 3 others
Publisher: Wadsworth Cengage Learning,
ISBN: 9781133958437

Solutions

Chapter
Section
Chapter 7, Problem 7.81E
Textbook Problem

Which constant is usually larger for a solvent, the cryoscopic constant or the ebullioscopic constant? Why?

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Chapter 7 Solutions

Physical Chemistry
Ch. 7 - 7.11. Suppose we define . Re-derive equation 7.17....Ch. 7 - 7.12. Derive equation 7.19. Ch. 7 - 7.12. Derive equation 7.19 but in terms of , not...Ch. 7 - 7.14. Determine the total equilibrium pressure of...Ch. 7 - Determine the total equilibrium pressure of the...Ch. 7 - 7.16. Many police departments use breath tests to...Ch. 7 - 7.17. An azeotrope (see section 7.4) of water and...Ch. 7 - 7.18. The vapor pressures of pure liquid A and...Ch. 7 - 7.19. At , the vapor pressure of pure ethanol, ,...Ch. 7 - 7.20. A solution of methanol () and ethanol () has...Ch. 7 - 7.21. At , the vapor pressure of pure ethanol, ,...Ch. 7 - 7.22. Derive equation 7.23 from equation 7.19. Ch. 7 - 7.23. Determine the mole fractions of each...Ch. 7 - 7.24. Determine the mole fractions of each...Ch. 7 - 7.25. At , the vapor pressure of pure ethanol, ,...Ch. 7 - 7.26. Use equation 7.24 to show that . Ch. 7 - 7.27. Derive an expression for like equation...Ch. 7 - 7.28. Why could one not use equation 7.24 directly...Ch. 7 - What are mixG and mixS for the combination of...Ch. 7 - When 25.0g of pentane (C5H12), 45.0g of hexane...Ch. 7 - 7.31. Why is acetone used to rinse out wet...Ch. 7 - Repeat Example 7.7, but assume that you start with...Ch. 7 - Repeat Example 7.7, but assume that you start with...Ch. 7 - 7.34. How might you be able to distinguish an...Ch. 7 - Identify the azeotropes in Table 7.1 that are...Ch. 7 - Sketch a temperature-composition phase diagram see...Ch. 7 - Ethanol prepared by distillation is only about 96...Ch. 7 - 7.38. Figure 7.32 shows a phase diagram of and...Ch. 7 - Convert the units of Henrys law constant for CO2,...Ch. 7 - 7.40. What is the mole fraction of argon in...Ch. 7 - 7.41. A mole fraction of is the minimal value for...Ch. 7 - 7.42. What is the difference between hydrogen...Ch. 7 - 7.43. The Henry’s law constant for methyl...Ch. 7 - 7.44. The mole fraction of , a compound once used...Ch. 7 - 7.45. At , the mole fraction of air in water is...Ch. 7 - 7.45. At , the mole fraction of nitrogen, , in...Ch. 7 - 7.47. Does a higher Henry’s law constant mean that...Ch. 7 - 7.48. Nitrogen narcosis begins to affect scuba...Ch. 7 - Using the concept of a freezing solution, explain...Ch. 7 - 7.50. What is the approximate molarity of a...Ch. 7 - 7.51. Calculate the solubility of phenol, , in...Ch. 7 - a Convert the calculated mole fraction of...Ch. 7 - 7.53. Will equation 7.39 work for the solubility...Ch. 7 - Consider the following solutions: Sodium chloride...Ch. 7 - Determine how ideal the following solutions are by...Ch. 7 - Iron metal has a fusH value of 14.9kJ/mol and is...Ch. 7 - How many degrees of freedom are required to...Ch. 7 - 7.58. Do communities that use salt in the winter...Ch. 7 - 7.59. Starting from in figure in the liquid...Ch. 7 - 7.60. Construct a qualitative phase diagram for...Ch. 7 - Explain why zone refining, used to make ultra-pure...Ch. 7 - Estimate the solubility of Na in Hg at 0C. The...Ch. 7 - Show how the formula of the stoichiometric...Ch. 7 - Although both evaporation and vaporization involve...Ch. 7 - Explain how the unit molarity automatically...Ch. 7 - A nonvolatile solute pick one: always, sometimes,...Ch. 7 - The vapor pressure of isopropanol is 47.0mmHg at...Ch. 7 - A sample of 25.0g of solid anthracene is dissolved...Ch. 7 - A nonvolatile solid having sample mass of 1.66g is...Ch. 7 - A technician dissolves 12.00g of a nonvolatile...Ch. 7 - Why do you think people who live at high altitudes...Ch. 7 - Estimate the osmotic pressure, freezing point, and...Ch. 7 - In February 2006, a pharmacy technician...Ch. 7 - Limp vegetables like celery can be crisped up by...Ch. 7 - Calculate the freezing point depression of mercury...Ch. 7 - Glacial acetic acid has a melting point of 16.0C...Ch. 7 - Cyclohexane has a Kf of 20.3K/molal. If its normal...Ch. 7 - Use the system in exercise 7.62 to calculate the...Ch. 7 - Use the system in exercise 7.62 to calculate the...Ch. 7 - Calculate the cryoscopic and ebullioscopic...Ch. 7 - Which constant is usually larger for a solvent,...Ch. 7 - A 200,000-amu average molecular weight polymer is...Ch. 7 - Consider an aqueous solution of a polymer that has...Ch. 7 - Derive equation 7.49.Ch. 7 - Determine osmotic pressures at 30.0C for each...Ch. 7 - Determine osmotic pressures for each solution...Ch. 7 - The vapor pressures of benzene and 1,1-...Ch. 7 - The vapor pressures of benzene and and 1,1...Ch. 7 - Consider your plots from 7.87 and 7.88 above. a...Ch. 7 - Tabulate the solubility of naphthalene in toluene...

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