'Nh 4 cl' diaporamas de présentation

Chemistry 102(01) Spring 2008

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NH 4 I

NH 4 I. Ammonium Iodide. CO 2. Carbon Dioxide. LiBr. Lithium Bromide. N 2 O. Dinitrogen Monoxide. BI 3. Boron TriIodide. CaBr 2. Calcium Bromide. NO 2. Nitrogen Dioxide. MgBr 2. Magnesium Bromide. AlI 3. Aluminum Iodide. NH 4 OH. Ammonium Hydroxide. CCl 4. Carbon Tetrachloride.

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K >>1 Forward rxn dominates (rxn lies to

K >>1 Forward rxn dominates (rxn lies to the right). Mostly products at equilibrium, [products] >> [reactants]. K <<1 Reverse rxn dominates (rxn lies to the left). Mostly reactants at equilibrium, [products] << [reactants].

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Properties of acids

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Gases

Gases. Courtesy of nearingzero.net. Elements that exist as gases at 25 0 C and 1 atmosphere. Physical Characteristics of Gases. Gases assume the volume and shape of their containers . Gases are the most compressible state of matter.

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Solutions

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Chapter 17

Chapter 17. Acid-Base Equilibria. Overview. Solutions of a Weak Acid or Base Acid ionization equilibria Polyprotic acids Base ionization equilbria Acid-Base properties of Salts Solutions of a Weak Acid or Base with Another Solute Common Ion Effect Buffers Acid-Base Titration Curves.

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Chemical Nomenclature: Formula Writing & Naming Compounds

Chemical Nomenclature: Formula Writing & Naming Compounds. Chemical Formula. The representation of a substance using symbols (letters) and subscripts ( numbers) H 2 O.

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Chapter 15

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Welcome to...

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Acid-base equilibria & common ions

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Chapter 20

Chapter 20. Concentration. Molarity (M). Moles of solute per liter of solution. moles of solute. Molarity =. liters of solution. What is the molarity of a solution prepared by dissolving 21.0 g of CaCl 2 in 500.0 mL of solution?.

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Naming Ionic Compounds

Naming Ionic Compounds. Chemistry Dr. May. Ionic Compounds. Formed when electrons are transferred from the less electronegative atom (Na) to the more electronegative atom (Cl). Na ? ? ? e -1 ? ? ? Cl. to give Na +1 and Cl ?1. thus NaCl. Electronegativity.

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20 B Week IV Chapters 11

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Acids and Bases

Acids and Bases. Acid/Base Properties. In the past, we have classified acids and bases according to their observed properties ACIDS BASES Sour taste bitter taste Watery feel slippery feel Reactive with metals can be corrosive Water soluble may be soluble in H 2 O .

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Nomenclature

Nomenclature. How we name stuff. Ionic or Covalent. If the first element is a metal, ionic Cation: the first, and positive Anion: the second and negative If the first element is a nonmetal, covalent. If the first element is N, check and see if its actually NH 4 , in which case its ionic.

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What is Solubility?

What is Solubility?. The maximum amount of a substance that will dissolve in a certain amount of solvent at a given temperature is called that substances solubility in that solvent Solute = is dissolved Solvent = does the dissolving

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PRACTICE QUIZ AQUEOUS EQUILIBRIA (20 points)

PRACTICE QUIZ AQUEOUS EQUILIBRIA (20 points). 1. (2 points) Which of the following will make a buffer solution with a pH above 7 ? a. 1 M NaOH and 1 M NaCl b. 1 M HC 2 H 3 O 2 and 1 M NaC 2 H 3 O 2 c. 1 M HCl and 1 M NaCl d. 1 M NH 4 Cl and 1 M NH 3

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Solubility vs. Temperature

200. 180. 160. 140. 120. 100. 80. 60. 40. 20. 0. Solubility vs. Temperature. KI. KNO 3. Solubility (g solute / 100 g H 2 O). NaNO 3. Na 3 PO 4. NaCl. 20. 40. 60. 80. 100. Temperature ( o C). Timberlake, Chemistry 7 th Edition, page 297. Gas Solubility. CH 4. 2.0.

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