'Hydroxide ion' presentation slideshows

LECTURE 3: ACIDS AND BASES

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Chemistry Jeopardy

Chemistry Jeopardy. A fun way to review Chemical Bonds, Writing Formulas and Naming Compounds . Jeopardy. Final Jeopardy. The positively charged portion of an ionic bond. What is a cation?. DAILY DOUBLE !. DAILY DOUBLE !.

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Acids and Bases

Acids and Bases. 2003 AP . #1 A-E. Write the Equilibrium, Kb, for the reaction represented. Writing an equilibrium expression for 1a. Using the law of mass action given the chemical equilibrium equation

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CHAPTER 7 WATER, THE ULTIMATE GREEN SOLVENT: ITS USES AND ENVIRONMENTAL CHEMISTRY

CHAPTER 7 WATER, THE ULTIMATE GREEN SOLVENT: ITS USES AND ENVIRONMENTAL CHEMISTRY. From Green Chemistry and the Ten Commandments of Sustainability , Stanley E. Manahan, ChemChar Research, Inc., 2006 manahans@missouri.edu. 7.1. H 2 O: SIMPLE FORMULA, COMPLEX MOLECULE.

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Acids & Bases

Acids & Bases. Text book. Section 8.2A Sections 16.1 & 16.2. Self-ionization of water (Autoionization). Truth H 2 O + H 2 O ? H 3 O + + OH - Convenient Lie H 2 O ? H + + OH -. H 3 O + = hydronium ion H + = hydrogen ion OH - = hydroxide ion. P H E N O L P H T H A L E I N.

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Equilibrium?

Equilibrium?. When we talk about equilibrium what we are talking about is the balance that a chemical reaction reaches. The balance is between how much product is produced and how much reactant is left behind and never reacts. The two are not always as balanced as the picture might show.

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Chapter 7

Chapter 7. Organohalides. Alkyl halide: a compound containing a halogen atom covalently bonded to an sp 3 hybridized carbon atom given the symbol RX. A haloarene . A haloalkene . (a vinylic halide). (an aryl halide).

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17 Acids and Bases

17 Acids and Bases. A group of chemical properties is related to acidity. According to these properties, a substance can be called an acid or a base . The word acid comes from Latin acere meaning sour. A base is an alkaline , which is derived from Arabic alqali .

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Chapter 15 Acids and Bases

Chapter 15 Acids and Bases. First defined by Svante Arrhenius 1903 Nobel Prize winner who proposed that: Acids - produce H ? ions in aqueous solution. HCl (g) H? ( aq ) + Cl ? ( aq ) . H 2 O. Arrhenius also proposed a useful definition for bases.

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Hydrogen Ions and Acidity

Hydrogen Ions and Acidity. The Ionization of Water and pH. Objectives. When you complete this presentation, you will be able to: describe the autoionization of water determine the hydrogen ion concentration in water when given the hydroxide ion concentration in water

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Acids and Bases

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Chapter 3

Chapter 3. Water and the Fitness of the Environment. You Must Know. The importance of hydrogen bonding to the properties of water. Four unique properties of water, and how each contributes to life on Earth. How to interpret the pH scale. The importance of buffers in biological systems.

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ACIDS AND BASES

ACIDS AND BASES. Chapter 15. Bronsted Lowry Acids and Bases. An acid is a proton donor and a base is a proton acceptor. The loss of a proton is called as deprotonation: HCl(aq)+ H 2 O(l) ?H 3 O + (aq) +Cl - (aq) A strong acid is fully ionized in water.

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Acids & Bases

Acids & Bases. Acid & Base Properties. Acid: Sour taste (but never do this in lab!) Is an electrolyte Changes the color of an indicator Reacts with active metals producing hydrogen gas (H 2 ) Reacts with bases to produce an ionic salt and water. Base

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pH, Indicators, and Titrations

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Acids & Bases

Acids & Bases. How W e M easure Acids and Bases. pH. Blue Base. What is pH?. A pH scale is how we measure how acidic or basic something is. When we dissolve an acid in water, it ionizes and produces excess Hydrogen Ions, H +

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Hydrolysis of an ester

Hydrolysis of an ester. Recall 3 facts about triglycerides . Learning objectives. Recall how to name triglycerides Describe how to undertake hydrolysis of an ester Explain the chemistry behind the reaction. How to name a fatty acid. Count the carbon atoms Count the double bonds

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Acids & Bases

Acids & Bases. pH. H 2 O + H 2 O H 3 O + + OH -. Ionization of Water. K w = [H 3 O + ][OH - ] = 1.0 ? 10 -14. Kw=ionization constant for H2O. Acidic or Basic. [H 3 O + ][OH - ] = 1.0 ? 10 -14 ACIDIC [H+] is greater than [OH-] [H+] is greater than 1.0 ? 10 -7 BASIC

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6.1/6.2- pH and pOH Calculations

6.1/6.2- pH and pOH Calculations. - the basic idea that scientists went with for acids and bases was that acidic properties were related to the presence of hydrogen ions and basic properties related to the presence of hydroxide ions

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pH and pOH

pH and pOH. By: Ben, Josh, Priya, Margarita, Monica, Tharun, Kyra, Cameron . What is pH?. In chemistry, pH is the measure of the acidity of an aqueous solution. pH of less than 7 is acidic Ex: Battery acid, lemon juice pH of more than 7 is basic Ex: Soap, antacid ph of 7 is neutral

358 views • 8 slides