'Equilibrium reaction' presentation slideshows

Equilibrium Basic Concepts

Equilibrium Basic Concepts. Reversible reactions do not go to completion. They can occur in either direction. Chemical equilibrium exists when two opposing reactions occur simultaneously at the same rate.

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Absorbance of Electromagnetic Radiation

Absorbance of Electromagnetic Radiation. In absorption spectroscopy a beam of electromagnetic radiation passes through a sample. Much of the radiation is transmitted without a loss in intensity. At selected wavelengths the radiation's intensity is attenuated.

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Unit 4: Equilibrium, Acids & Bases Part 1: Equilibrium

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Unit 4: Equilibrium, Acids & Bases Part 1: Equilibrium

Unit 4: Equilibrium, Acids & Bases Part 1: Equilibrium. Equilibrium Constant Expressions Calculating the Value of an Equilibrium Constant Applications of Equilibrium Constants LeChatelier’s Principle. Chemical Equilibrium.

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Unit 4: Equilibrium, Acids & Bases Part 1: Equilibrium

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Consider the combustion of propane with 120 percent theoretical air.

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Chapter 15 Application of Aqueous Equilibria

Chapter 15 Application of Aqueous Equilibria. Common Ion Effect The shift in equilibrium that occurs because of the addition of an ion already involved in the equilibrium reaction. This effect makes a solution of NaF and HF less acidic than a solution of HF alone.

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Weak Acids and Bases

Weak Acids and Bases. Mg (s) + 2HCl (aq) --> MgCl 2 (aq) + H 2 (aq) Mg (s) + 2CH 3 COOH (aq) --> Mg(CH 3 COO 2 ) 2 (aq) + H 2 (aq). Working with Weak Acids and Bases. In a solution of a weak acid, what do we have? Acid molecules Small amount of H 3 O +

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Chapter 17

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Chemical Equilibrium

Chemical Equilibrium. Dynamic Equilibrium. Reversible reactions. Always reach the same equilibrium concentration whether you start with the reactants or products The forward and reverse reaction proceed at equal rates (k 1 = k -1 ) N 2 + 3 H 2 2 NH 3

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Chemical Equilibrium

Chemical Equilibrium. Dynamic Equilibrium. Reversible reactions. Always reach the same equilibrium concentration whether you start with the reactants or products The forward and reverse reaction proceed at equal rates (k 1 = k -1 ) N 2 + 3 H 2 2 NH 3

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Chemistry 122

Chemistry 122. Solubility Equilibrium. The Solubility Product Constant. Solubility varies from one ionic compound to the next Some ionic compounds can dissolve quite significantly in water where others cannot They are either soluble or insoluble

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Introduction

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Introduction

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Finding the pH of Weak Acids

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The Ammonia Fountain

The Ammonia Fountain. When a few drops of water are added to ammonia gas in an inverted florence flask, the vacuum is filled with water and the water changes color. Purpose. To see what happens when ammonia gas reacts with a small amount of water To observe the color change of litmus

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Dynamic Equilibrium

Dynamic Equilibrium. An equilibrium exists when a reversible reaction reaches a point where the forward and reverse reactions are happening at the same rate A + B ? C + D Reactants Products. Dynamic Equilibrium.

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The Equilibrium Constant:

2 HI (g) H 2(g) + I 2(g). = [ H 2 ][ I 2 ]. [ HI ] 2. The Equilibrium Constant:. For any equilibrium reaction, at a certain temperature, the equilibrium ratio of product concentration to reactant concentration will always be the same (constant). eg:. K eq.

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Chemical Equilibrium

Chemical Equilibrium. In general the combustion products consist of more than just CO 2 , H 2 O, O 2 , and N 2 For rich mixtures CO also exists in the products and at high temperatures the molecules dissociate to form H, O, OH, NO via the following reactions:.

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Chemical Equilibrium

Chemical Equilibrium. In general the combustion products consist of more than just CO 2 , H 2 O, O 2 , and N 2 For rich mixtures CO also exists in the products and at high temperatures the molecules dissociate to form H, O, OH, NO via the following reactions:.

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