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Strong electrolyte

AP Chemistry Zumdahl 7E Chapter 4 Notes

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AP Chemistry A. Allan Chapter 4 Notes - Types of Chemical Reactions and Solution Chemistry 4.1 Water, the Common Solvent A. Structure of water 1. Oxygen's electronegativity is high (3.5) and hydrogen's is low (2.1) 2. Water is a bent molecule 3. Water is a polar molecule B. Hydration of Ionic Solute Molecules 1. Positive ions attracted to the oxygen end of water 2. Negative ions attracted to the hydrogen end of water C. Hydration of Polar Solute Molecules 1. Negative end of polar solute molecules are attracted to water's hydrogen 2. Positive end of polar solute molecules are attracted to water's oxygen D. "Like Dissolves Like" 1. Polar and ionic compounds dissolve in polar solvents like water 2. Nonpolar compounds like fats dissolve in nonpolar solvents like ____ ?_____

Chapter 5a

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Chemistry 1210: Introduction to General Chemistry Dr. Gina M. Florio 20 Sept. 2012 Jespersen, Brady, Hyslop Chapter 5A Molecular View of Reactions in Aqueous Solution A solution is a homogeneous mixture in which the two or more components mix freely. The solvent is taken as the component present in the largest amount. A solute is any substance dissolved in the solvent. Definitions CH. 5.1 Example of a Solution Formation of a solution of iodine molecules in ethyl alcohol where ethyl alcohol is the solvent and iodine the solute: CH. 5.1 Crystal of I2 placed in ethanol: A solution of I2 in ethanol: Properties of Solutions: Qualitative Composition The relative amounts of solute and solvent are often given without specifying the actual quantities.

Chapter 3/4

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Claire Rafson Chapter 3 notes 3.1 You can count things by weight 3.2 Atomic mass determined on a mass spectrometer Average atomic mass = atomic mass for the element 3.3 Avogadro?s number = 6.02214 X 10^23 1 mole = avogadro?s number 3.4 molar mass= mass in grams of one mole of the compound 3.5 Percent comp of compounds Mass percent- weight percent can be computed by comparing the mass of carbon Find moles of all divide by smallest number find whole number etc. 3.6 Molecular formula= (empirical formula)n N is an integer To find molec formula take molar mass/ empirical formula mass and that is n SEE PAGE 96 IF CONFUSED 3.7- Chemical Reactions- Reactants on left and products on the right. Aq- dissolved in water 3.8- Balance reactions 3.9- Stoichiometry-
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