Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074


Chapter 13, Problem 85GQ
Textbook Problem

You are given a flask filled with a colored liquid. Suggest several tests that would allow you to determine whether this is a solution or a colloid.

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Chapter 13 Solutions

Chemistry & Chemical Reactivity
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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 - What is the concentration of CO2 in water at 25 C...Ch. 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 - What is the mass percent of hexane in a mixture...Ch. 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 - If the CO2 in the headspace escapes into the...Ch. 13.5 - What is the solubility of CO2 in water at 25 C...Ch. 13.5 - After opening a 1.0 L soda, what mass of the...Ch. 13.5 - Calculate the external pressure experienced by a...Ch. 13.5 - At a depth of 20 meters the pressure is about 3.0...Ch. 13.5 - A 1.0 L sample of water is shaken in air to allow...Ch. 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 - Fill in the blanks in the table. Aqueous solutions...Ch. 13 - Fill in the blanks in the table. Aqueous solutions...Ch. 13 - What mass of Na2CO3 must you add to 125 g of water...Ch. 13 - What mass of NaNO3 must be added to 500. g of...Ch. 13 - You wish to prepare an aqueous solution of...Ch. 13 - You want to prepare an aqueous solution of...Ch. 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 - Use the data of Table 13.1 to calculate the...Ch. 13 - Use the following data to calculate the enthalpy...Ch. 13 - You make a saturated solution of NaCl at 25 C. No...Ch. 13 - Some lithium chloride, LiCl, is dissolved in 100...Ch. 13 - The partial pressure of O2 in your lungs varies...Ch. 13 - The Henrys law constant for O2 in water at 25 is...Ch. 13 - An unopened soda can has an aqueous CO2...Ch. 13 - Hydrogen gas has a Henrys law constant of 7.8 104...Ch. 13 - A sealed flask contains water and oxygen gas at 25...Ch. 13 - Butane, C4H10, has been suggested as the...Ch. 13 - A 35.0-g sample of ethylene glycol, HOCH2CH2OH, is...Ch. 13 - Urea, (NH2)2CO, which is widely used in...Ch. 13 - Pure ethylene glycol, HOCH2CH2OH, is added 2.00 kg...Ch. 13 - Pure iodine (105 g) is dissolved in 325 g of CCl4...Ch. 13 - What is the boiling point of a solution containing...Ch. 13 - What is the boiling point of a solution composed...Ch. 13 - What is the boiling point of a solution composed...Ch. 13 - A solution of glycerol, C3H5(OH)3, in 735 g of...Ch. 13 - A mixture of ethanol C2H5OH, and water has a...Ch. 13 - Some ethylene glycol, HOCH2CH2OH, is added to your...Ch. 13 - You dissolve 15.0 g of sucrose, C12H22O11, in a...Ch. 13 - A typical bottle of wine consists of an 11%...Ch. 13 - An aqueous solution contains 3.00% phenylalanine...Ch. 13 - Estimate the osmotic pressure of human blood at 37...Ch. 13 - An aqueous solution containing 1.00 g of bovine...Ch. 13 - Calculate the osmotic pressure of a 0.0120 M...Ch. 13 - You add 0.255 g of an orange, crystalline compound...Ch. 13 - Butylated hydroxyanisole (BHA) is used in...Ch. 13 - Benzyl acetate is one of the active components of...Ch. 13 - Anthracene, a hydrocarbon obtained from coal, has...Ch. 13 - An aqueous solution contains 0.180 g of an...Ch. 13 - Aluminon, an organic compound, is used as a...Ch. 13 - If 52.5 g of LiF is dissolved in 306 g of water,...Ch. 13 - To make homemade ice cream, you cool the milk and...Ch. 13 - List the following aqueous solutions in order of...Ch. 13 - Arrange the following aqueous solutions in order...Ch. 13 - When solutions of BaCl2 and Na2SO4 are mixed, the...Ch. 13 - The dispersed phase of a certain colloidal...Ch. 13 - Phenylcarbinol is used in nasal sprays as a...Ch. 13 - (a) Which aqueous solution is expected to have the...Ch. 13 - Arrange the following aqueous solutions in order...Ch. 13 - Making homemade ice cream is one of lifes great...Ch. 13 - Dimethylglyoxime [DMG, (CH3CNOH)2] is used as a...Ch. 13 - A 10.7 m solution of NaOH has a density of 1.33...Ch. 13 - Concentrated aqueous ammonia has a molarity of...Ch. 13 - If you dissolve 2.00 g of Ca(NO3)2 in 750 g of...Ch. 13 - If you want a solution that is 0.100 m in ions,...Ch. 13 - Consider the following aqueous solutions: (i) 0.20...Ch. 13 - (a) Which solution is expected to have the higher...Ch. 13 - The solubility of NaCl in water at 100 C is 39.1...Ch. 13 - Instead of using NaCl to melt the ice on your...Ch. 13 - The smell of ripe raspberries is due to...Ch. 13 - Hexachlorophene has been used in germicidal soap....Ch. 13 - The solubility of ammonium formate, NH4CHO2, in...Ch. 13 - How much N2 can dissolve in water at 25 C if the...Ch. 13 - Cigars are best stored in a humidor at 18 C and...Ch. 13 - An aqueous solution containing 10.0 g of starch...Ch. 13 - Vinegar is a 5% solution (by weight) of acetic...Ch. 13 - Calculate the enthalpies of solution for Li2SO4...Ch. 13 - Water at 25 C has a density of 0.997 g/cm3....Ch. 13 - If a volatile solute is added to a volatile...Ch. 13 - A solution is made by adding 50.0 mL of ethanol...Ch. 13 - A 2.0% (by mass) aqueous solution of novocainium...Ch. 13 - A solution is 4.00% (by mass) maltose and 96.00%...Ch. 13 - The following table lists the concentrations of...Ch. 13 - A tree is 10.0 m tall. (a) What must be the total...Ch. 13 - A 2.00% solution of H2SO4 in water freezes at...Ch. 13 - A compound is known to be a potassium halide, KX....Ch. 13 - You are given a flask filled with a colored...Ch. 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 - A solution of 5.00 g of acetic acid in 100. g of...Ch. 13 - In a police forensics lab, you examine a package...Ch. 13 - An organic compound contains carbon (71.17%),...Ch. 13 - In chemical research we often send newly...Ch. 13 - When sails of Mg2+, Ca2+, and Be2+ are placed in...Ch. 13 - Explain why a cucumber shrivels up when it is...Ch. 13 - If you dissolve equal molar amounts of NaCl and...Ch. 13 - A 100.-gram sample of sodium chloride (NaCl) is...Ch. 13 - Which of the following substances is/are likely to...Ch. 13 - Account for the fact that alcohols such as...Ch. 13 - Starch contains CC, CH, CO, and OH bonds....Ch. 13 - Which substance would have the greater influence...Ch. 13 - You have two aqueous solutions separated by a...Ch. 13 - A protozoan (single-celled animal) that normally...Ch. 13 - Sodium chloride (NaCl) is commonly used to melt...Ch. 13 - Review the trend in values of the vant Holt factor...Ch. 13 - The table below gives experimentally determined...Ch. 13 - It is interesting how the Fahrenheit temperature...

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