'Weak acid base' presentation slideshows

Equilibrium for Weak Acids and Bases Practice, Practice, Practice!

Equilibrium for Weak Acids and Bases Practice, Practice, Practice!. Weak Acid Problems What is the pH of the resulting solution when 0.500 moles of acetic acid are dissolved in water and diluted to 1.00 L? Unbalanced reaction:

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Acid Base Equilibria , Buffers, Titration

Acid Base Equilibria , Buffers, Titration. AP Chem. Weak Acids & Acid Ionizat i on Constant. Majority of acids are weak. Consider a weak monoprotic acid, HA: The equilibrium constant for the ionization would be:. or. Acid Ionization Constant.

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Topic 18- Acids and bases

Topic 18- Acids and bases. 18.1 Calculations involving acids and bases 18.2 Buffer solutions 18.3 Salt hydrolysis 18.4 Acid-base titrations 18.5 Indicators. The relation between oxonium ions and hydroxide ions. 18.1 Calculations involving acids and bases.

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IV. Percent Ionization

IV. Percent Ionization. Instead of characterizing a weak acid by its K a , we can calculate how much it ionizes. The concentration of ionized acid is simply equal to the [H + ] at equilibrium. IV. Sample Problem. Find the % ionization of a 0.200 M acetic acid solution if its pK a = 4.74.

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Review

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Polyprotic Acids & Bases

Polyprotic Acids & Bases. A polyprotic acid can donate more than one H + Carbonic acid: H 2 CO 3 (aq); dissolved CO 2 in water Sulfuric acid: H 2 SO 4 (aq) Phosphoric acid: H 3 PO 4 (aq) A polyprotic base: can accept more than one proton Carbonate ion: CO 3 2- (aq)

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Chemistry and Biochemistry

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Acids and Bases

Acids and Bases. Chapter 14. Acids and Bases. Water is the product of all neutralization reactions between an acid and a base The Arrhenius Definitions. An acid contains H and forms H + (proton) When that H + is donated to H 2 O it forms H 3 O + (hydronium).

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Conjugate acids and bases

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Chemistry Mid-term Review

Chemistry Mid-term Review. Ch. 10, 11,13,14, and 15. Material You Should Review. From Last Year! Sig figs Types of Mixtures Exothermic vs. Endothermic Theories of the Structure of the Atom Emission Spectrum Orbitals Trends of the Periodic Table Valence electrons

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I. Introduction to Acids & Bases

Acids & Bases. I. Introduction to Acids & Bases. electrolytes ? electrolytes. A. Properties. ACIDS. BASES. bitter taste. sour taste. turn litmus red. turn litmus blue. react with metals to form H 2 gas. slippery feel. vinegar, milk, soda, apples, citrus fruits.

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Acid-Base Reactions Ch. 15

Acid-Base Reactions Ch. 15. Acid-Base Reactions. Neutralization reactions ???? pH is changed Produce a salt and H 2 O Salts are ionic compounds 2 types of Acids Strong and Weak 2 types of Bases Strong and Weak 4 possible combinations of Acids and Bases Strong A + Strong B

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Acid Anything that increases the hydronium ion (H 3 O + ) concentration

Acid Anything that increases the hydronium ion (H 3 O + ) concentration. Base Anything that increases the hydroxide ion (OH - ) concentration.

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Chapter 25

Chapter 25. Lesson 2 Strengths of Acids and Bases. -. -. +. +. Strong and Weak Acids and Bases. The strength of an acid or base depends on how many acid or base particles dissociate into ions in water. Strong Acid/Base 1 00% ions in water strong electrolyte

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STAAR Ladder to Success

STAAR Ladder to Success. Rung 10. Arrhenius Definition. Savante Arrhenius, Swedish chemist who by 1890 formulated the first useful theory for acids. Acids contain hydrogen ions. Bases contain hydroxide ions (OH - ). Bronsted -Lowry Definition. Acids are proton (H + ) donors.

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Introduction to Acids & Bases

Acids & Bases. Introduction to Acids & Bases. electrolytes ? electrolytes. A. Properties. ACIDS. BASES. bitter taste. sour taste. turn litmus red. turn litmus blue. react with metals to form H 2 gas. slippery feel. vinegar, milk, soda, apples, citrus fruits.

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Predicting Reactions General Rules

1. All reactions occur. Predicting Reactions General Rules. 2. Net ionic reactions only. 3. Phases are not required : aqueous by charge. 4. Completely dissociated chemicals shown as ions (i.e. strong acid is H+ & A-). 5. All other dissociated chemicals shown as

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Buffered Solutions

Buffered Solutions. What is a buffer? Calculations involving Buffers. What are buffers?. Buffers are solutions of a weak conjugate acid-base pair . They are particularly resistant to pH changes , even when strong acid or base is added. Buffer Solutions.

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Testing Acids & Bases

Testing Acids & Bases. This lesson. This lesson, we will be testing to see if different liquids are an acid or a base. You need to remember the following: Red litmus paper turns blue if it is an base. Blue litmus paper turns red if it is an acid.

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