'Aq 2' diaporamas de présentation

Chapter 13 Chemical Kinetics

Chapter 13 Chemical Kinetics. The study of reaction rate is called chemical kinetics. Reaction rate is measured by the change of concentration (molarity) of reactants or products per unit time. Molarity of A: [A], e.g. [NO 2 ]: molarity of NO 2. ?. ?. reactants ? products,.

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CHEMICAL REACTIONS Chapter 3

CHEMICAL REACTIONS Chapter 3. Reactants: Zn + I 2. Product: ZnI 2. Chemical Equations. Depict the kind of reactants and products and their relative amounts in a reaction. 4 Al(s) + 3 O 2 (g) ? 2 Al 2 O 3 (s) The numbers in the front are called stoichiometric coefficients

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Principles of Chemistry I Test 2 Review

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PHILIP DUTTON UNIVERSITY OF WINDSOR DEPARTMENT OF CHEMISTRY AND BIOCHEMISTRY

GENERAL CHEMISTRY. Principles and Modern Applications. TENTH EDITION. PETRUCCI HERRING MADURA BISSONNETTE. 23. The Transition Elements. PHILIP DUTTON UNIVERSITY OF WINDSOR DEPARTMENT OF CHEMISTRY AND BIOCHEMISTRY. The Transition Elements. 23-1 General Properties.

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pH calculations

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Net Ionic Equations

Net Ionic Equations. An Application of Double Replacement Reactions. Introduction. We know that double replacement reactions result in the formation of either - a precipitate, or an insoluble gas, or water. Introduction.

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Redox Reactions 01

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Chapter 13 Ions in Aqueous Solutions and Colligative Properties

Chapter 13 Ions in Aqueous Solutions and Colligative Properties. 13-1 Compounds in Aqueous Solutions. The separation of ions that occurs when an ionic compound dissolves. Dissociation. One formula unit of NaCl produces two ions: NaCl (s) ? Na + ( aq ) + Cl - ( aq )

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Experiment 10 Group III Cation Analysis Part II

Experiment 10 Group III Cation Analysis Part II. Valdosta State University. Important Announcements. There will be no laboratory lecture for CHEM 1212L on Wed Nov 7, Wed Nov 14, or Wed Nov 21 (Thanksgiving). The next laboratory lecture for Experiment #12 will meet on Wed, Nov 28.

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Chapter 21: Electrochemistry II Chemical Change and Electrical Work

Chapter 21: Electrochemistry II Chemical Change and Electrical Work. 21.3 Cell Potential: Output of a Voltaic Cell 21.4 Free Energy and Electrical Work. Cell EMF. Standard Reduction Potentials. The larger the difference between E ? red values, the larger E ? cell .

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Intersection 14: The End

Intersection 14: The End. Outline. Vitamin C Electrochemistry Final exam. Vitamin C. Which fruit keeps best over a long period of time? Fruits known to sailors Orange, lemon ~1400 Limes 1638 Shaddock (grapefruit) 1700 Used lemon or lime juice preserved in brandy.

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Precipitation Reactions and Acid-Base Reactions

Precipitation Reactions and Acid-Base Reactions. The Solubility of Ionic Compounds in Water. The solubility of Ionic Compounds in water depends upon the relative strengths of the electrostatic forces between ions in the ionic compound

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Cells & Batteries

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Neutralization Reactions with Strong Acids and Strong Bases

Neutralization Reactions with Strong Acids and Strong Bases. Naming Acids. Binary acid (i.e. H & a non-metal) the prefix hydro is used the root of the anion is used the suffix -ic is used the word acid is used as the second word of the name Example HCl = hydro chlor ic acid

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Chemical Reactions

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Types of Chemical Reactions and Solution Stoichiometry

Types of Chemical Reactions and Solution Stoichiometry. Molarity. The concentration of a solution measured in moles of solute per liter of solution. mol = M L. Preparation of Molar Solutions.

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Introduction & Net Ionic Equations

Solutions Unit. Introduction & Net Ionic Equations. What is a solution ?. Solution : A homogeneous mixture The components are equally spread out A sample from one part is the same as any other (The first sip of your 7-up is the same as the last!). Components of a Solution:.

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Chapter 8 (CIC) and Chapter 20 (CTCS)

Chapter 8 (CIC) and Chapter 20 (CTCS). Read in CTCS Chapter 20.4,5 Problems in CTCS: 20.21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43a, 45a. Electrochemical Cell. Converts a spontaneous chemical reaction into electrical energy

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Precipitation Reactions

Precipitation Reactions. Double Replacement Reactions. The ions of two compounds exchange places in an aqueous solution to form two new compounds. AX + BY ? AY + BX. One of the compounds formed is usually a

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V 2+ (aq) + 2e - ? V (s) -1.18 V

V 2+ (aq) + 2e - ? V (s) -1.18 V. Zn 2+ (aq) + 2e - ? Zn (s) -0.76 V. H 3 PO 3 (aq) + 2H + (aq) + 2e - ? H 3 PO 2 (aq) + H 2 O (l) -0.50 V. Fe 2+ (aq) + 2e - ? Fe (s) -0.44 V. V 3+ (aq) + e - ? V 2+ (aq) -0.26 V. Sn 2+ (aq) + 2e - ? Sn (s) -0.14 V.

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