CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 13, Problem 13.151MP
Combustion analysis of a 36.72-mg sample of the male hormone testosterone gave 106.43 mg CO2 and 32.10 mg H20 as the only combustion products. When 5.00 mg of testosterone was dissolved in 15.0 ml. of a suitable solvent at 25 °C, an osmotic pressure of 21.5 mm Hg was measured. What is the molecular formula of testosterone?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Chapter 13 Solutions
CHEMISTRY-TEXT
Ch. 13 - Prob. 13.1PCh. 13 - Prob. 13.2ACh. 13 - Prob. 13.3PCh. 13 - Prob. 13.4ACh. 13 - PRACTICE 12.5 A 50.0 mL sample of drinking water...Ch. 13 - APPLY 12.6 The legal limit for human exposure to...Ch. 13 - PRACTICE 12.7 What mass in grams of a 0.500 m...Ch. 13 - APPLY 12.8 What is the molality of a solution...Ch. 13 - PRACTICE 12.9 The density at 20°C of a 0.500 M...Ch. 13 - APPLY 12.10 The density at 20°C of a 0.258 m...
Ch. 13 - ThesolubilityofCO2inwateris 3.2102 M at 25 °C...Ch. 13 - APPLY 12.12 Use the Henry’s law constant you...Ch. 13 - PRACTICE 12.13 What is the vapor pressure in mm Hg...Ch. 13 - APPLY 12.14 A solution made by dissolving 8.110 g...Ch. 13 - PRACTICE 12.17 What is the vapor pressure of the...Ch. 13 - Conceptual APPLY 12.18 The following diagram shows...Ch. 13 - What is the normal boiling point in °C of an...Ch. 13 - APPLY 12.20 The following phase diagram shows a...Ch. 13 - Prob. 13.19PCh. 13 - APPLY 12.22 Cells in the human eye have an osmotic...Ch. 13 - PRACTICE 12.23 A solution prepared by dissolving...Ch. 13 - Prob. 13.22ACh. 13 - PROBLEM 12.25 What is the difference between a...Ch. 13 - PROBLEM 12.26 Urea has a high solubility in blood...Ch. 13 - Use Table 13.5 to calculate the osmotic pressure...Ch. 13 - Prob. 13.26PCh. 13 - Many people take vitamin supplements to promote...Ch. 13 - Prob. 13.28CPCh. 13 - Prob. 13.29CPCh. 13 - Prob. 13.30CPCh. 13 - Prob. 13.31CPCh. 13 - Prob. 13.32CPCh. 13 - Prob. 13.33CPCh. 13 - Prob. 13.34CPCh. 13 - Prob. 13.35CPCh. 13 - Prob. 13.36SPCh. 13 - 12.41 Why do ionic substances with higher lattice...Ch. 13 - Prob. 13.38SPCh. 13 - Prob. 13.39SPCh. 13 - Classify the strongest type of intermolecular...Ch. 13 - Classify the strongest type of intermolecular...Ch. 13 - Prob. 13.42SPCh. 13 - Prob. 13.43SPCh. 13 - Br2 is much more soluble in tetrachloromethane,...Ch. 13 - Predict whether the solubility of formaldehyde,...Ch. 13 - Prob. 13.46SPCh. 13 - Prob. 13.47SPCh. 13 - Arrange the following compounds in order of their...Ch. 13 - Prob. 13.49SPCh. 13 - Prob. 13.50SPCh. 13 - Prob. 13.51SPCh. 13 - Prob. 13.52SPCh. 13 - Prob. 13.53SPCh. 13 - The dissolution of CaCl2(s) in water is...Ch. 13 - The dissolution of NH4ClO4(s) in water is...Ch. 13 - Assuming that seawater is an aqueous solution of...Ch. 13 - Prob. 13.57SPCh. 13 - Propranolol°C16H21NO2) a so-called beta-blocker...Ch. 13 - Prob. 13.59SPCh. 13 - How would you prepare each of the following...Ch. 13 - Prob. 13.61SPCh. 13 - Prob. 13.62SPCh. 13 - Prob. 13.63SPCh. 13 - Prob. 13.64SPCh. 13 - Which of the following solutions has the higher...Ch. 13 - What is the mass percent concentration of the...Ch. 13 - Prob. 13.67SPCh. 13 - Prob. 13.68SPCh. 13 - Prob. 13.69SPCh. 13 - What is the concentration of each of the following...Ch. 13 - Prob. 13.71SPCh. 13 - The density of a 16.0 mass % solution of sulfuric...Ch. 13 - Prob. 13.73SPCh. 13 - What is the molality of the 40.0 mass % ethylene...Ch. 13 - Prob. 13.75SPCh. 13 - Prob. 13.76SPCh. 13 - Prob. 13.77SPCh. 13 - Prob. 13.78SPCh. 13 - Prob. 13.79SPCh. 13 - Look at the solubility graph in Figure 13.7, and...Ch. 13 - Prob. 13.81SPCh. 13 - Prob. 13.82SPCh. 13 - Prob. 13.83SPCh. 13 - Fish generally need an O2 concentration in water...Ch. 13 - At an altitude of 10, 000 ft, the partial pressure...Ch. 13 - Prob. 13.86SPCh. 13 - Prob. 13.87SPCh. 13 - Prob. 13.88SPCh. 13 - When solid CaCl2 is added to liquid water, the...Ch. 13 - Rank the following aqueous solutions from lowest...Ch. 13 - Which of the following aqueous solutions has the...Ch. 13 - What is the vapor pressure in mm Hg of a solution...Ch. 13 - What is the normal boiling point in oC of a...Ch. 13 - What is the freezing point in °C of a solution...Ch. 13 - Assuming complete dissociation, what is the...Ch. 13 - When 9.12 g of HCI was dissolved in 190 g of...Ch. 13 - Prob. 13.97SPCh. 13 - When 1 mol of NaCI is added to 1 L of water, the...Ch. 13 - Prob. 13.99SPCh. 13 - Draw a phase diagram showing how the phase...Ch. 13 - Prob. 13.101SPCh. 13 - What is the vapor pressure in mm Hg of the...Ch. 13 - What is the vapor pressure in mm Hg of a solution...Ch. 13 - What is the boiling point in oC of each of the...Ch. 13 - What is the freezing point in oC of each of the...Ch. 13 - Prob. 13.106SPCh. 13 - The van’t Hoff factor for KCl is i=1.85. What is...Ch. 13 - Hepatane (C7H16) and octane (C8H18) are...Ch. 13 - Prob. 13.109SPCh. 13 - Acetone, C3H6O , and ethyl acetate, C4H8O2, are...Ch. 13 - Prob. 13.111SPCh. 13 - Prob. 13.112SPCh. 13 - What is the mole fraction of each component in the...Ch. 13 - Prob. 13.114SPCh. 13 - A solution prepared by dissolving 3.00 g of...Ch. 13 - Prob. 13.116SPCh. 13 - Prob. 13.117SPCh. 13 - Prob. 13.118SPCh. 13 - What osmotic presure in mm Hg would you expect for...Ch. 13 - Prob. 13.120SPCh. 13 - Prob. 13.121SPCh. 13 - Prob. 13.122SPCh. 13 - If cost per gram were not a concern, which of the...Ch. 13 - Prob. 13.124SPCh. 13 - Met-enkephalin is one of the so-called endorphins,...Ch. 13 - Prob. 13.126SPCh. 13 - Prob. 13.127SPCh. 13 - Prob. 13.128SPCh. 13 - Prob. 13.129SPCh. 13 - How many grams of naphthalene, C10H8 (commonly...Ch. 13 - Prob. 13.131SPCh. 13 - Assuming that seawater is a 3.5 mass % solution of...Ch. 13 - There’s actually much more in seawater than just...Ch. 13 - Prob. 13.134SPCh. 13 - What is the van’t Hoff factor for K2SO4 in an...Ch. 13 - If the van’t Hoff factor for Lid in a 0.62 m...Ch. 13 - What is the value of the van’t Hoff factor for KCI...Ch. 13 - A solid mixture of KCI, KNO3, and Ba(N03)2 is...Ch. 13 - Prob. 13.139SPCh. 13 - An aqueous solution of a certain organic compound...Ch. 13 - Prob. 13.141SPCh. 13 - Prob. 13.142SPCh. 13 - A solution of 0.250 g of naphthalene (mothballs)...Ch. 13 - Prob. 13.144SPCh. 13 - Prob. 13.145SPCh. 13 - The steroid hormone estradiol contains only C, H,...Ch. 13 - Many acids are partially dissociated into ions in...Ch. 13 - Addition of 50.00 mL of 2.238 H2SO4 (solution...Ch. 13 - Prob. 13.149MPCh. 13 - Prob. 13.150MPCh. 13 - Combustion analysis of a 36.72-mg sample of the...Ch. 13 - Prob. 13.152MPCh. 13 - Prob. 13.153MPCh. 13 - Prob. 13.154MP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- A compound has a solubility in water of 750 mg/L at 25C. Should this compound be characterized as a soluble or insoluble compound at 25C?arrow_forwardFor each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Ammonia gas in water with P = 1 atm and T = 50C Ammonia gas in water with P = 1 atm and T = 90C b. Carbon dioxide gas in water with P = 2 atm and T = 50C Carbon dioxide gas in water with P = 1 atm and T = 50C c. Table salt in water with P = 1 atm and T = 60C Table salt in water with P = 1 atm and T = 50C d. Table sugar in water with P = 2 atm and T = 40C Table sugar in water with P = 1 atm and T = 70Carrow_forwardCalculate the molality of a solution made by dissolving 115.0 g ethylene glycol, HOCH2CH2OH, in 500. mL water. The density of water at this temperature is 0.978 g/mL. Calculate the molarity of the solution.arrow_forward
- A 1.40-g sample of polyethylene, a common plastic, is dissolved in enough organic solvent to give 100.0 mL of solution. What is the average molar mass of the polymer if the measured osmotic pressure of the solution is 1.86 mm Hg at 25 C?arrow_forwardThe dispersed phase of a certain colloidal dispersion consists of spheres of diameter 1.0 102 nm. (a) What are the volume (V=43r2) and surface area (A = r2) of each sphere? (b) How many spheres are required to give a total volume of 1.0 cm3? What is the total surface area of these spheres in square meters?arrow_forward6-111 As noted in Section 6-8C, the amount of external pressure that must be applied to a more concentrated solution to stop the passage of solvent molecules across a semipermeable membrane is known as the osmotic pressure The osmotic pressure obeys a law similar in form to the ideal gas law (discussed in Section 5-4), where Substituting for pressure and solving for osmotic pressures gives the following equation: RT MRT, where M is the concentration or molarity of the solution. (a) Determine the osmotic pressure at 25°C of a 0.0020 M sucrose (C12H22O11) solution. (b) Seawater contains 3.4 g of salts for every liter of solution. Assuming the solute consists entirely of NaCl (and complete dissociation of the NaCI salt), calculate the osmotic pressure of seawater at 25°C. (c) The average osmotic pressure of blood is 7.7 atm at 25°C. What concentration of glucose (C6H12O6) will be isotonic with blood? (d) Lysozyme is an enzyme that breaks bacterial cell walls. A solution containing 0.150 g of this enzyme in 210. mL of solution has an osmotic pressure of 0.953 torr at 25°C. What is the molar mass of lysozyme? (e) The osmotic pressure of an aqueous solution of a certain protein was measured in order to determine the protein's molar mass. The solution contained 3.50 mg of protein dissolved in sufficient water to form 5.00 mL of solution. The osmotic pressure of the solution at 25°C was found to be 1.54 torr. Calculate the molar mass of the protein.arrow_forward
- Starch contains CC, CH, CO, and OH bonds. Hydrocarbons have only CC and CH bonds. Both starch and hydrocarbons can form colloidal dispersions in water. Which dispersion is classified as hydrophobic? Which is hydrophilic? Explain briefly.arrow_forwardIn a police forensics lab, you examine a package that may contain heroin. However, you find the white powder is not pure heroin but a mixture of heroin (C12H23O5N) and lactose (C12H22O11). To determine the amount of heroin in the mixture, you dissolve 1.00 g of the white powdery mixture in water in a 100.0-mL volumetric flask. You find that the solution has an osmotic pressure of 539 mm Hg at 25 C. What is the composition of the mixture?arrow_forwardFor each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Oxygen gas in water with P = 1 atm and T = 10C Oxygen gas in water with P = 1 atm and T = 20C b. Nitrogen gas in water with P = 2 atm and T = 50C Nitrogen gas in water with P = 1 atm and T = 70C c. Table salt in water with P = 1 atm and T = 40C Table salt in water with P = 1 atm and T = 70C d. Table sugar in water with P = 3 atm and T = 30C Table sugar in water with P = 1 atm and T = 80Carrow_forward
- Predict the relative solubility of each compound in the two solvents, on the basis of intermolecular attractions. (a) Is Br2 more soluble in water or in carbon tetrachloride? (b) Is CaCl2 more soluble in water or in benzene (C6H6)? (c) Is chloroform (CHCl3) more soluble in water or in diethyl ether [(C2H5)2O]? (d) Is ethylene glycol (HOCH2CH2OH) more soluble in water or in benzene (C6H6)?arrow_forwardPredict the relative solubility of each compound in the two solvents, based on the intermolecular attractions. (a) Is potassium iodide more soluble in water or in methylene chloride (CH2Cl2)? (b) Is toluene (C6H5CH3) more soluble in benzene (C6H6) or in water? (c) Is ethylene glycol (C2H4(OH)2) more soluble in hexane (C6H14) or in ethanol (C2H5OH)?arrow_forwardFluoridation of city water supplies has been practiced in the United States for several decades. It is done by continuously adding sodium fluoride to water as it comes from a reservoir. Assume you live in a medium-sized city of 150,000 people and that 660 L (170 gal) of water is used per person per day. What mass of sodium fluoride (in kilograms) must be added to the water supply each year (365 days) to have the required fluoride concentration of 1 ppm (part per million)that is, 1 kilogram of fluoride per 1 million kilograms of water? (Sodium fluoride is 45.0% fluoride, and water has a density of 1.00 g/cm3.)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage Learning
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
General, Organic, and Biological Chemistry
Chemistry
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY