A. An Arrhenius _ is a chemical compound that increases the concentration of ____________ ions (H +1 ), in aqueous solution. The hydrogen ions.

Slides:

Advertisements

Similar presentations

Arrhenius Definition Acids produce hydrogen ions in aqueous solution.

Advertisements

Unit 5 - Double Replacement Replacements

CHAPTER 9 CONCURRENT ENROLLMENT. ACIDS AND BASES WEAK ACIDS AND BASES ONLY A FEW IONS ARE FORMED DEFINITIONS –Arrhenius - Acid contains H + ions and Bases.

ACIDS AND BASES. Distinguish between strong and weak acids and bases. Include: electrolytes and non-electrolytes Additional KEY Terms concentrateddilute.

HSC Chemistry – Acidic Environment R Slider. * The pH of a salt depends upon the relative strength of the ions that make up the salt * Very few salts.

Acids, Bases, and pH. Acids and Bases Acids produce H + ions which react with water to form hydronium (H 3 O + ) ions Bases produce OH - ions.

Chapter 16: Acids and bases

IONS IN AQUEOUS SOLUTIONS AND COLLIGATIVE PROPERTIES.

HOBr is a weaker acid than HBrO3. Account for this fact.

Acids & Bases. Properties of Acids & Bases  Acids Aqueous solutions of acids have a sour taste Turn blue litmus paper to red React with metals to produce.

Acid / Base Equilibria A Practical Application of the Principles of Equilibrium.

Introductory Chemistry: Concepts & Connections Introductory Chemistry: Concepts & Connections 4 th Edition by Charles H. Corwin Acids and Bases Christopher.

1 Chapter 10 Acids and Bases 10.3 Strengths of Acids and Bases 10.4 Dissociation Constants.

Chapter 4: Types of Chemical Reactions Goals: To be able to predict chemical reactivity. To know how to synthesize specific compounds.

Net Ionic Equations HCl(aq) + NaOH(aq)  NaCl(aq) + H 2 O(l) What really happens: H + (aq) + OH - (aq)  H 2 O(l) Sodium ion and chloride ion are “spectator.

HAVE A GREAT BREAK! REMINDER: NO LAB Announcements.

Acids Bases Acids Bases Neutral- ization Equations Acid Rain Misc. Jeopardy Final Jeopardy.

Acids and Bases.

Chem-To-Go Lesson 38 Unit 10.  Both acids and bases ionize or dissociate in water  Acids: taste sour, conduct electricity, cause certain indicators.

Section 6.3—Acidity, pH Objectives

Copyright © McGraw-Hill Education. Permission required for reproduction or display Chapter 13: Acids and Bases.

Properties of acids n Taste Sour (kids, don’t try this at home). n Conduct electricity. n Some are strong, some are weak electrolytes. n React with metals.

Part II. Polyprotic acid H 2 CO 3 H + + HCO 3 - Ka 1 = 4.3 x H 2 CO 3 H + + HCO 3 - Ka 1 = 4.3 x HCO 3 - H + + CO 3 -2 Ka 2 = 4.3 x

Chemical Reactions: Aqueous Solutions Mr. Bennett November, 2009 Adapted from J. Speck (2008) and A. Allen, 2008.

Acids and Bases. Svante Arrhenius In the 1880’s, Swedish chemist Svante Arrhenius developed a theory about electrolytes His theory explained why solutions.

Objectives To learn about reactions between strong acids and strong bases To learn about the reaction between a metal and a nonmetal To understand how.

C H E M I S T R Y Chapter 4 Reactions in Aqueous Solution.

Acid-Base Theories The “Boyz”. Acid and Base Theories2 Arrhenius Theory of Acids Acid: molecular substances that breaks-ups in aqueous solution into H+

Properties of Acids and Bases

Strengths of Acids and Bases.  Acids and bases are classified as strong or weak according to the degree to which they ionize in water.  Strong acids.

Acids and Bases General Formula ACID + BASE  H 2 O + SALT A salt is an ionic ioniccompound.

Physical Science Mr. Stuart ACIDS, BASES, AND PH.

Acids and bases.

Arrhenius Acids and Bases. Arrhenius acid = acid that produces H+ in aqueous solutions Arrhenius base= base that produces OH- in aqueous solutions.

Chapter 18 – Acids, Bases, and Salts. Arrhenius (ah-ray-nee- uhs) definition Acid – substance that dissociates in water to produce hydrogen ions (H +

ACIDS, BASES, and SALTS. An acid is a(n) ________________ compound. Most molecular compounds, if they are soluble in water, dissolve differently from.

Equilibrium. Chemical Equilibrium Review Most chemical reactions do not go to completion. They appear to stop. These reactions are reversible A chemical.

ACIDS, BASES, and SALTS.

ACIDS and BASES Chapter 18. Acids and Bases: An Introduction Acidic solution – contains more hydrogen ions than hydroxide ions. [H + ]>[OH - ] Acidic.

In 1887, Svante August Arrhenius proposed that when a substance dissolves in water, particles of the substance separate from each other and disperse into.

Electrical Conductivity. Questions (copy them out first) Give the definition and an example for the following terms: 1)A solution is__________________?

+Dissociation- H H Oδ-δ-δ+δ+ H H Oδ-δ-δ+δ+ A. When an _____ compound made of ____ dissolves in water, the ____ ________ from one another. This is called.

Chemistry 142 Chapter 15: Acids and Bases

Lesson Starter The solutions in the beakers are different because they have a different pH. One beaker contains a basic solution and the other beaker.

Acids 1.Aqueous solutions of acids have a sour taste. 2.Acids change the color of acid-base indicators. 3.Some acids react with active metals and release.

Arrhenius Definition An acid is a substance that increases the hydrogen (hydronium) concentration in a water solution.  HCl(aq) H + (aq) + Cl -

Acids, Bases, and pH Chapters 14/15. 1.Aqueous solutions of acids have a sour taste. 2.Acids change the color of acid-base indicators. 3.Some acids react.

Strengths of Acids and Bases Integrated Science II.

Chapter 4: Types of Chemical Reactions Goals: To be able to predict chemical reactivity. To know how to synthesize specific compounds.

Acids and Bases Arrhenius Definition Acids produce hydrogen ions in aqueous solution. Bases produce hydroxide ions when dissolved in water. Limits to.

Acid and Base Strength Chapter How can we test how strong an acid is? electrical conductivity can be used to determine the strength of an acid or.

ERT 207 ANALYTICAL CHEMISTRY ACIDS AND BASES THEORIES ACID BASE EQUILIBRIA IN WATER pH SCALE 27 Jan 2011 (MISS NOORULNAJWA DIYANA YAACOB) 1.

Definition of Acids Traditional (Arrhenius)- a chemical compound that contains hydrogen and ionizes in aqueous solutions to form hydrogen ions Examples:

Electrolytes and Nonelectrolytes Chapter 12 Solutions Copyright © 2008 by Pearson Education, Inc. Publishing as Benjamin Cummings.

Friday, March 14, 2008 Turn in Labs Extra Credit Opportunity Review Homework Section 16.1B – Acid Strength Section 16.1C – Water as an Acid and A Base.

The Strengths of Acids and Bases References: Chemistry, Nelson, pages Heath Chemistry, pages McGraw-Hill Ryerson, Chapters 14,15.

Acids and Bases. An acid is a substance that produces Hydrogen ions, H + (aq) in water (Arrhenius definition). The hydrogen ion (H + ) bonds with a water.

Section 16.2 Determining the Acidity of a Solution 1.To understand and determine pH and pOH 2.To learn methods for measuring pH of a solution Objectives.

Unit 9 Acids, Bases, Salts. Properties of Acids Acids (Table K) Dilute aqueous solutions of acids taste sour Lemons (citric acid) Vinegar (acetic acid)

In 1887, Svante August Arrhenius proposed that when a substance dissolves in water, particles of the substance separate from each other and disperse into.

CHAPTER 16: ACID BASE EQUILIBRIA Wasilla High School

© Houghton Mifflin Harcourt Publishing Company Acids 1.Aqueous solutions of acids have a sour taste. 2.Acids change the color of acid-base indicators.

Acids Acids: produce H + ions Example: Taste sour Can burn Turn litmus paper red Naming Acids: 1 “hydro-” + Nonmetal element root + “-ic” acid Example:

Acids and Just the Bases Mrs. Herrmann Concentrations of Solutions Concentration—quantitive; a measure of the amount of solute in a given amount of solvent.

ACIDS AND BASES. Acids 1.Aqueous solutions of acids have a sour taste. 2.Acids change the color of acid-base indicators. 3.Some acids react with active.

Acids – Quick Survey of General Features 1.Aqueous solutions of acids have a sour taste. 2.Acids change the color of acid-base indicators. CHEMISTRY CHAPTER.

What happens when potassium hydroxide KOH and hydrochloric acid CL2 are combined? ASSUMING THE POTASSIUM HYDROXIDE IS DISSOLVE IN WATER, WHEN THE TWO SOLUTIONS.

Lesson 1 Acids and Bases Pure water has an equal concentration of the hydronium ion H3O+ (aq) and the hydroxide ion OH–(aq) because it self ionizes: 2H2O(l)

Arrhenius Acids and Bases

Arrhenius Acids and Bases

Presentation transcript:

A. An Arrhenius _____ is a chemical compound that increases the concentration of ________________ ions (H +1 ), in aqueous solution. The hydrogen ions are attracted to the water molecules in an aqueous solution and form _____________ ions (H 3 O +1 ). acid Strength of Acids and Bases hydrogen hydronium

B. An Arrhenius _____ is a chemical compound that increases the concentration of ________________ ions (OH -1 ), in aqueous solution. base Strength of Acids and Bases hydroxide

A.A strong acid is one that dissociates completely in an aqueous solution. _______________ ions and ________ are formed in solution. HCl(aq) + H 2 O(l) → H 3 O +1 (aq) + Cl -1 (aq) Hydronium Strength of Acids and Bases anions HCl(aq) + H 2 O(l) → H 3 O +1 (aq) + Cl -1 (aq)

1. Strong acids are strong _________________. electrolytes Strength of Acids and Bases

2.Acid strength increases with increasing _________ and decreasing ______ energy. polarity Strength of Acids and Bases bond

B. A weak acid is one that does not dissociate completely in an aqueous solution. IN aqueous solution, both the dissociation and the reverse reaction occur at the same time. _____________ ions and _________ are formed in the forward reaction but in the reverse reaction dissolved acid molecules and water are formed. Hydronium Strength of Acids and Bases anions

1.Weak acids are poor _________________. HCN(aq)+H 2 O(l) H 3 O +1 (aq) + CN -1 (aq) electrolytes Strength of Acids and Bases →← →←

Watch the magic happen here!here

C. A strong base is one that dissociates completely in an aqueous solution. _______________ ions and ________ are formed in solution. Hydroxide Strength of Acids and Bases cations

1.Strong bases are strong _________________. NaOH(s)+H 2 O(l) → Na +1 (aq)+(OH) -1 (aq) electrolytes Strength of Acids and Bases

D. A weak base is one that does not dissociate completely in an aqueous solution. In aqueous solution, both the dissociation and the reverse reaction occur at the same time. _____________ ions and _________ are formed in the forward reaction but in the reverse reaction dissolved base molecules and water are formed Hydroxide Strength of Acids and Bases cations

1.Weak bases are poor _________________. NH 3 (aq)+H 2 O(l) (NH 4 ) +1 (aq)+(OH) -1 (aq) electrolytes Strength of Acids and Bases →← →←

Watch the magic happen here!here