Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337670418
Author: Kotz
Publisher: Cengage
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Chapter 13.5, Problem 1.1ACP
The blue line on the diagram illustrates the effect of using fractional distillation to separate a mixture of hexane (C6H14) and heptane (C7H16). If one starts a fractional distillation with a 0.20 mole fraction of hexane, what is the approximate mole fraction of hexane in the vapor phase after two evaporation condensation cycles?
Figure B A temperature–composition diagram for hexane (C6H14)-heptane (C7H16) mixtures.
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Chapter 13 Solutions
Chemistry & Chemical Reactivity
Ch. 13.1 - (a) If you dissolve 10.0 g (about one heaping...Ch. 13.2 - Use the data in Table 13.1 to calculate the...Ch. 13.3 - Prob. 13.3CYUCh. 13.4 - Assume you dissolve 10.0 g of sucrose (C12H22O11)...Ch. 13.4 - What quantity of ethylene glycol, HOCH2CH2OH, must...Ch. 13.4 - In the northern United States, summer cottages are...Ch. 13.4 - Bradykinin is a small peptide (9 amino acids; 1060...Ch. 13.4 - An aluminum-containing compound has the empirical...Ch. 13.4 - A 1.40-g sample of polyethylene, a common plastic,...Ch. 13.4 - Calculate the freezing point of 525 g of water...
Ch. 13.5 - The blue line on the diagram illustrates the...Ch. 13.5 - How many theoretical plates are required to...Ch. 13.5 - Prob. 1.3ACPCh. 13.5 - The vapor pressure of pure heptane is 361.5 mm Hg...Ch. 13.5 - If the headspace of a soda is 25 mL and the...Ch. 13.5 - Prob. 2.2ACPCh. 13.5 - Prob. 2.3ACPCh. 13.5 - Prob. 2.4ACPCh. 13.5 - Prob. 3.1ACPCh. 13.5 - Prob. 3.2ACPCh. 13.5 - Prob. 3.3ACPCh. 13 - You dissolve 2.56 g of succinic acid, C2H4(CO2H)2,...Ch. 13 - You dissolve 45.0 g of camphor, C10H16O, in 425 mL...Ch. 13 - Prob. 3PSCh. 13 - Prob. 4PSCh. 13 - Prob. 5PSCh. 13 - Prob. 6PSCh. 13 - Prob. 7PSCh. 13 - Prob. 8PSCh. 13 - Hydrochloric acid is sold as a concentrated...Ch. 13 - Concentrated sulfuric acid has a density of 1.84...Ch. 13 - The average lithium ion concentration in seawater...Ch. 13 - Silver ion has an average concentration of 28 ppb...Ch. 13 - Which pairs of liquids will be miscible? (a) H2O...Ch. 13 - Acetone, CH3COCH3, is quite soluble in water....Ch. 13 - Prob. 15PSCh. 13 - Use the following data to calculate the enthalpy...Ch. 13 - You make a saturated solution of NaCl at 25 C. 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(a) What must be the total...Ch. 13 - Prob. 81GQCh. 13 - A compound is known to be a potassium halide, KX....Ch. 13 - Prob. 85GQCh. 13 - If one is very careful, it is possible to float a...Ch. 13 - A solution of benzoic acid in benzene has a...Ch. 13 - You dissolve 5.0 mg of iodine, I2, in 25 mL of...Ch. 13 - Prob. 89ILCh. 13 - In a police forensics lab, you examine a package...Ch. 13 - An organic compound contains carbon (71.17%),...Ch. 13 - Prob. 92ILCh. 13 - When sails of Mg2+, Ca2+, and Be2+ are placed in...Ch. 13 - Explain why a cucumber shrivels up when it is...Ch. 13 - Prob. 95SCQCh. 13 - A 100.-gram sample of sodium chloride (NaCl) is...Ch. 13 - Prob. 97SCQCh. 13 - Prob. 98SCQCh. 13 - Starch contains CC, CH, CO, and OH bonds....Ch. 13 - Prob. 100SCQCh. 13 - You have two aqueous solutions separated by a...Ch. 13 - Prob. 102SCQCh. 13 - Sodium chloride (NaCl) is commonly used to melt...Ch. 13 - Prob. 105SCQCh. 13 - Prob. 106SCQCh. 13 - Prob. 107SCQ
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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