1 Matter And Measurements 2 Atoms, Molecules, And Ions 3 Mass Relations In Chemistry; Stoichiometry 4 Reactions In Aqueous Solution 5 Gases 6 Electronic Structure And The Periodic Table 7 Covalent Bonding 8 Thermochemistry 9 Liquids And Solids 10 Solutions 11 Rate Of Reaction 12 Gaseous Chemical Equilibrium 13 Acids And Bases 14 Equilibria In Acid-base Solutions 15 Complex Ion And Precipitation Equilibria 16 Spontaneity Of Reaction 17 Electrochemistry 18 Nuclear Reactions 19 Complex Ions 20 Chemistry Of The Metals 21 Chemistry Of The Nonmetals 22 Organic Chemistry 23 Organic Polymers, Natural And Synthetic expand_more
Chapter Questions expand_more
Problem 1QAP: A solution is prepared by dissolving 12.15 g of nickel(II) nitrate in 175 mL of water (d=1.00g/mL).... Problem 2QAP Problem 3QAP Problem 4QAP: Solutions Introduced directly into the bloodstream have to be isotonic with blood; that is, they... Problem 5QAP: Silver ions can be found in some of the city water piped into homes. The average concentration of... Problem 6QAP Problem 7QAP: Complete the following table for aqueous solutions of copper(II) sulfate. Problem 8QAP: Complete the following table for aqueous solutions of aluminum nitrate. Problem 9QAP: Complete the following table for aqueous solutions of caffeine, C8H10O2N4. Problem 10QAP: Complete the following table for aqueous solutions of theobromine, C7H8N4O2, the alkaloid present in... Problem 11QAP Problem 12QAP Problem 13QAP Problem 14QAP: A solution is prepared by diluting 0.7850 L of 1.262 M potassium sulfide solution with water to a... Problem 15QAP: A bottle of phosphoric acid is labeled 85.0% H3PO4 by mass; density=1.689g/cm3. Calculate the... Problem 16QAP Problem 17QAP: Complete the following table for aqueous solutions of potassium hydroxide. Problem 18QAP: Complete the following table for aqueous solutions of potassium carbonate. Problem 19QAP: Assume that 30 L of maple sap yields one kilogram of maple syrup (66% sucrose, C12H22O11). What is... Problem 20QAP: Juice (d=1.0g/mL) from freshly harvested grapes has about 24% sucrose by mass. What is the molality... Problem 21QAP Problem 22QAP: Which of the following is more likely to be soluble in CCl4? In each case explain your answer. (a)... Problem 23QAP Problem 24QAP Problem 25QAP: Consider the process by which lead chloride dissolves in water: PbCl2Pb2+(aq)+2Cl(aq)(a) Using data... Problem 26QAP Problem 27QAP: The Henry's law constant for the solubility of helium gas in water is 3.8104M/atm at 25C. (a)... Problem 28QAP: The Henry's law constant for the solubility of argon gas in water is 1.0103M/atm at 30C. (a) Express... Problem 29QAP: A carbonated beverage is made by saturating water with carbon dioxide at 0C and a pressure of 3.0... Problem 30QAP: Air contains 78% nitrogen. At 25C, Henry's law constant for nitrogen is 6.8104M/atm, while at 37C,... Problem 31QAP: Vodka is advertised to be 80 proof. That means that the ethanol (C2H5OH) concentration is 40% (two... Problem 32QAP: What is the freezing point of maple syrup (66% sucrose)? Sucrose is C12H22O11. Problem 33QAP: Calculate the vapor pressure of water over each of the following ethylene glycol (C2H6O2) solutions... Problem 34QAP: Calculate the vapor pressure of water over each of the following solutions of glycerol, C3H8O3, at... Problem 35QAP Problem 36QAP: Consider an aqueous solution of urea, (CO(NH2)2) at 26C. Its vapor pressure is 21.15 mm Hg (vapor... Problem 37QAP Problem 38QAP Problem 39QAP: Calculate the freezing point and normal boiling points of each of the following aqueous solutions.... Problem 40QAP: How many grams of the following nonelectrolytes would have to be mixed with 100.0 g of... Problem 41QAP: What is the freezing point and normal boiling point of a solution made by adding 39 mL of acetone,... Problem 42QAP: Antifreeze solutions are aqueous solutions of ethylene glycol, C2H6O2(d=1.12g/mL). In Connecticut,... Problem 43QAP: When 13.66 g of lactic acid, C3H6O3, are mixed with 115 g of stearic acid, the mixture freezes at... Problem 44QAP: A solution consisting of 4.50 g of propylene glycol, C3H8O2, in 40.5 mL of t-butyl alcohol... Problem 45QAP: Insulin is a hormone responsible for the regulation of glucose levels in the blood. An aqueous... Problem 46QAP: Epinephrine (or adrenaline) is a hormone and neurotransmitter. It participates in the... Problem 47QAP: Lauryl alcohol is obtained from the coconut and is an ingredient in many hair shampoos. Its... Problem 48QAP: The Rast method uses camphor (C10H16O) as a solvent for determining the molar mass of a compound.... Problem 49QAP: Caffeine is made up of 49.5% C, 5.2% H, 16.5% O, and 28.9% N. A solution made up of 8.25 g of... Problem 50QAP: A compound contains 42.9% C, 2.4% H, 16.6% N, and 38.1% O. The addition of 3.16 g of this compound... Problem 51QAP: A biochemist isolates a new protein and determines its molar mass by osmotic pressure measurements.... Problem 52QAP Problem 53QAP: Estimate the freezing and boiling points of normal 0.25 m aqueous solutions of (a) NH4NO3 (b) NiCl3... Problem 54QAP: Arrange 0.10 m aqueous solutions of the following solutes in order of decreasing freezing point and... Problem 55QAP: Aqueous solutions introduced into the stream y injection must have the same osmotic pressure as... Problem 56QAP: What is the osmotic pressure of a 0.135 M solution of Na2SO4 at 20C? (Assume complete dissociation.) Problem 57QAP: The freezing point of a 0.11 m solution of HNO2 is -0.20C. (a) What is i for the solution? (b) Is... Problem 58QAP: The freezing point of a 0.21 m aqueous solution of H2SO4 is -0.796C. (a) What is i? (b) Is the... Problem 59QAP: An aqueous solution of LiX is prepared by dissolving 3.58 g of the electrolyte in 283 mL of... Problem 60QAP: An aqueous solution of M2O is prepared by dissolving 10.91 g of the electrolyte in 435 mL of... Problem 61QAP: A sucrose (C12H22O11) solution that is 45.0% sucrose by mass has a density of 1.203 g/mL at 25C.... Problem 62QAP: An aqueous solution made up of 32.47 g of iron(III) chloride in 100.0 mL of solution has a density... Problem 63QAP: How would you prepare 5.00 L of a solution that is 43.0% H2SO4 by mass if the resulting solution has... Problem 64QAP: Carbon tetrachloride (CCl4) boils at 76.8C and has a density of 1.59 g/mL. (a) A solution prepared... Problem 65QAP: Twenty-five milliliters of a solution (d=1.107g/mL)containing 15.25% by mass of sulfuric acid is... Problem 66QAP: The Henry's law constant for the solubility of radon in water at is 9.57106 M/mm Hg. Radon is... Problem 67QAP Problem 68QAP: Consider two solutions at a certain temperature. Solution X has a nonelectrolyte as a solute and an... Problem 69QAP: A pharmacist prepares an isotonic saline solution for intravenous infusion. Instead of preparing a... Problem 70QAP: One mole of CaCl2 is represented as where represents Ca and represents Cl. Complete the picture... Problem 71QAP: One mole of Na2S is represented as where represents Na and represents S. Complete the picture... Problem 72QAP Problem 73QAP: Consider three test tubes. Tube A has pure water. Tube B has an aqueous 1.0 m solution of ethanol,... Problem 74QAP: The freezing point of 0.20 m HF is -0.38C. Is HF primarily nonionized in this solution (HF... Problem 75QAP: A certain gaseous solute dissolves in water, evolving 12.0 kJ of heat. Its solubility at 25C and... Problem 76QAP: The freezing point of 0.10 M KHSO3 is -0.38C. Which of the following equations best represents what... Problem 77QAP: Consider 2 vapor pressure curves A and B. They are the vapor pressure curves of pure benzene and a... Problem 78QAP: A gaseous solute dissolves in water. The solution process has H=15 kJ. Its solubility at 22C and... Problem 79QAP: In your own words, explain (a) why seawater has a lower freezing point than fresh water. (b) why one... Problem 80QAP Problem 81QAP: Beaker A has 1.00 mol of chloroform, CHCl3, at 27C. Beaker B has 1.00 mol of carbon tetrachloride,... Problem 82QAP Problem 83QAP Problem 84QAP Problem 85QAP Problem 86QAP: A martini, weighing about 5.0 oz (142 g), contains 30.0% by mass of alcohol. About 15% of the... Problem 87QAP: When water is added to a mixture of aluminum metal and sodium hydroxide, hydrogen gas is produced.... Problem 88QAP Problem 89QAP format_list_bulleted