'Aq cl aq' diaporamas de présentation

Unit 2 Acids and Bases

Unit 2 Acids and Bases. http://www.cdli.ca/courses/ http://www.cbhs.k12.nf.ca/adrianyoung/. Topics Properties / Operational Definitions Acid-Base Theories pH & pOH calculations Equilibria ( K w , K a , K b ) Indicators Titrations STSE: Acids Around Us. Operational Definitions.

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Reactions in Aqueous Solution

Reactions in Aqueous Solution. Chapter 4 Dr. Ali Bumajdad. Solution Stoichiometry. Chapter 4 Topics. Solution Electrolytes, acids and bases Precipitation reactions and solubility rules Molecular eqn., ionic eqn & net ionic eqn. Oxidation reduction reactions (Redox Reactions)

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Dr. C. Yau Spring 2014

Solutions Part I: Reactions of Ions & Molecules in Aqueous Solns (from Chapter 5 Sec 1 thru 5 of Jespersen 6 TH ed). Dr. C. Yau Spring 2014. 1. What is a Solution?. A " solution " is a homogeneous mixture of one or more solute (s) and a solvent . solute + solvent solution

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Chapters 13-14

Chapters 13-14. Acids, Bases, Buffers. Common Acids. HCl HNO 3 H 2 SO 4 H 3 PO 4 H 4 SiO 4 HBr H I H 2 SO 3 Patterns?. Common Acids. HCl HNO 3 H 2 SO 4 H 3 PO 4 H 4 SiO 4 HBr H I H 2 SO 3 Patterns? All contain H.

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Chemical Equilibrium

Chemical Equilibrium. Chapter 15. The Concept of Chemical Equilibrium. Chemical equilibrium occurs when opposing reactions are proceeding at equal rates. Like a bridge. Equilibrium is reached when you have a mixture of products and reactants whose concentrations no longer change with time.

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ACIDS, BASES & SALTS

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Unit 8: Acids & Bases

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Reversible Reactions and Chemical Equilibrium

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Solutions

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CHEM 163 Chapter 18

CHEM 163 Chapter 18. Spring 2009 Instructor: Alissa Agnello aagnello@sccd.ctc.edu. Acids & Bases in Water. ? NaCl ( aq ) + HOH (l). HCl ( aq ) + NaOH ( aq ). Net ionic:. H + (aq) + OH - (aq). ? H 2 O (l). Neutralization reaction. s trong acid + strong base ? water.

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Solutions, Electrolytes, and Precipitation Reactions

Solutions, Electrolytes, and Precipitation Reactions. Solutions:. Homogeneous mixtures of two or more pure substances. The solvent is present in greatest abundance. All other substances are solutes. Dissociation.

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Solubility and Solubility Curves

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Topic: All about Acids and Bases Do Now:

Topic: All about Acids and Bases Do Now:. Acids. IDENTIFY an Acid Covalent Formulas that start with H ( exception: H 2 O 2 and H 2 O ) or end with COOH. Table K. Properties of Acids. Sour taste Electrolytes: - ionize in water =conduct electric current

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Unit 3 Higher

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Chemistry 122

Chemistry 122. Acids, Bases and Salts. Properties of Acids. Acids, in foods, give a sour or tart taste Aqueous solutions of acids are electrolytes (conduct electricity Acids can be either strong or weak electrolytes May cause indicators to change colour

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Chapter 2

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acids always have as the state and always have

Section 6: Acids & Bases. 6.1 Theories of Acids and Bases. A. Naming Acids and Bases. acids always have as the state and always have. (aq). hydrogen. Rules 1. hydrogen becomes acid

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Steps in Solvation

Steps in Solvation. Endothermic- energy absorbing. Exothermic-energy releasing. Dissociation. Dissociation of Covalent Compounds. Dissociation of Ionic Compounds. battery. bulb. +. -. Na +. +. Cl -. deionized water + NaCl. Electrolytes.

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Strong Acids & Bases

Strong Acids & Bases. Strong acids & bases dissociate completely in water. Strong acids completely ionize (100%) in aqueous solutions . HCl + H 2 O ? H 3 O + + Cl - (100 % ions ) Strong bases completely (100%) dissociate into ions in aqueous solutions.

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Strengths of Acids & Bases

Strengths of Acids & Bases. HCN (aq) + H 2 O (l) H 3 O + (aq) + CN - (aq). Acids:. Strong acids dissociate completely in solution. eg:. HCl (aq) ? H + (aq) + Cl - (aq). or. HCl (aq) + H 2 O (l) ? H 3 O + (aq) + Cl - (aq).

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