Classwork for 5 Che xE Water and Solutions xF Roland Morris - %Bgoogle.com/forms/d/e/1FAlpQLSdljP-fEy80lqljkAAOXL12mhsGSzu01J_OzWFpalz2crealism - The M.O New folder G Genetic drift - Wikip.A Algebra Foundation..2:30 - What is, perhaps, the best solvent on Earth? *WaterO BleachAmmoniaHydrogen Peroxide2:44 - Which of these is NOT a reason that water is a good solvent?*All of these are correct reasons why water is such a good solventO It is a polar moleculeThere is so much of it on the surface of the EarthO It is liquid at a very wide range of temperaturesO O O E Water and Solutions XE Roland Morris-%BClasswork for 5 Che Xgoogle.com/forms/d/e/1FAlpQLSdljP-fEy80lqljkAAOXL12mhsGSzu01J 0=ealism - The M.I New folderG Genetic drift - Wikip..A Algebra Foundat2:17 - What is a solution? *A liquid with another substance dissolved in itA liquid that can become an acidO A liquid that contains additional hydrogen ionsA liquid with extra oxygen in it2:24 - In a solution, what are the solvent and solute? *The solvent is the liguid, the solute is the gasThe solvent is the gas, the solute is the liquidThe solvent does the dissolving, the solute is being dissolvedThe solute does the dissolving, the solvent is being dissolvedO O O

2:30 - The best solvent on the earth is water. This is because it dissolves many substances other…

google.com/forms/d/e/1FAlpQLSdljP-fEy80lqljkAAOXL12mhsGSzu01J_UZWFbal220 realism - The M. New folder G Genetic drift- Wikip. : Algebra Foundation. 2:30-What is, perhaps, the best solvent on Earth? * O Water O Bleach Ammonia Hydrogen Peroxide 2:44 - Which of these is NOTa reason that water is a good solvent?* All of these are correct reasons why water is such a good solvent O It is a polar molecule There is so much of it on the surface of the Earth O It is liquid at a very wide range of temperatures

google.com/forms/d/e/1FAlpQLSdljP-fEy80lqljkAAOXL12mhsGSzu01J_UZWFbal220 realism - The M. New folder G Genetic drift- Wikip. : Algebra Foundation. 2:30-What is, perhaps, the best solvent on Earth? * O Water O Bleach Ammonia Hydrogen Peroxide 2:44 - Which of these is NOTa reason that water is a good solvent?* All of these are correct reasons why water is such a good solvent O It is a polar molecule There is so much of it on the surface of the Earth O It is liquid at a very wide range of temperatures

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter10: Properties Of Solutions

Section: Chapter Questions

Problem 5ALQ: You have read that adding a solute to a solvent can both increase the boiling point and decrease the...

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The Henry's law constant for the solubility of radon in water at is 9.57106 M/mm Hg. Radon is present with other gases in a sample taken from an aquifer at 30C. Radon has a mole fraction of 2.7106 in the gaseous mixture. The gaseous mixture is shaken with water at a total pressure of 28 atm. Calculate the concentration of radon in the water. Express your answers using the following concentration units. (a) molarity (b) ppm (Assume that the water sample has a density of 1.00 g/mL.)
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 caffeine and 100.0 mL of benzene (d=0.877g/mL) freezes at 3.03C. Pure benzene (k f =5.10C/m) freezes at 5.500C. What are the simplest and molecular formulas for caffeine?
The Henry's law constant for the solubility of argon gas in water is 1.0103M/atm at 30C. (a) Express the constant in M/mm Hg. (b) If the partial pressure of argon gas at 30C is 693 mm Hg, what is the concentration (in M) of the dissolved argon gas at 30C? (c) How many grams of argon gas can be dissolved in 29 L of water at 693 mm Hg and 30C? (Ignore the partial pressure of water.)
You have read that adding a solute to a solvent can both increase the boiling point and decrease the freezing point. A friend of yours explains it to you like this: The solute and solvent can be like salt in water. The salt gets in the way of freezing in that it blocks the water molecules from joining together. The salt acts like a strong bond holding the water molecules together so that it is harder to boil. What do you say to your friend?
Sodium chloride (NaCl) is commonly used to melt ice on roads during the winter. Calcium chloride (CaCl2) is sometimes used for this purpose too. Let us compare the effectiveness of equal masses of these two compounds in lowering the freezing point of water, by calculating the freezing point depression of solutions containing 200. g of each salt in 1.00 kg of water. (An advantage of CaCl2 is that it acts more quickly because it is hygroscopic, that is. it absorbs moisture from the air to give a solution and begin the process. A disadvantage is that this compound is more costly.)
6-21 Are mixtures of gases true solutions or heterogeneous mixtures? Explain.
A 12-oz (355-mL) Pepsi contains 38.9 mg caffeine (molar mass = 194.2 g/mol). Assume that the Pepsi, mainly water, has a density of 1.01 g/mL. For such a Pepsi, calculate: (a) its caffeine concentration in ppm; (b) its molarity of caffeine; and (c) the molality of caffeine.
Match the vapor pressure diagrams with the solute-solvent combinations and explain your answers. a. and b. and c. and d. and
Solutions Introduced directly into the bloodstream have to be isotonic with blood; that is, they must have the same osmotic pressure as blood. An aqueous NaCl solution has to be 0.90% by mass to be isotonic with blood. What is the molarity of the sodium ions in solution? Take the density of the solution to be 1.00 g/mL.