7.2 Acids and Bases.

Slides:

Advertisements

Similar presentations

More Reactions in Aqueous Solution: Acids and Bases

Advertisements

Strength of Acids and Alkalis By SK Chan. Why do acids/alkalis show different properties? Acid/AlkalipH value Electrical conductivity 0.1 M Ethanoic acid4Low.

Acids, Bases, and pH Part 2. Properties of Acids Acids: –Taste Sour (never use taste to test the presence of an acid) –Are Electrolytes –Are Corrosive.

Acids, Bases, and Salts. Acids, Bases and Salts First established in the 1800’s by Swedish chemist Svante Arrhenius Acids – substances that release H.

Acids, Bases, and pH Unit 7: Acids and Bases. What are Acids? Definition: Ionic compounds that produce hydrogen ions (H+) when dissolved in water What.

ACIDS AND BASES. ACIDS & BASES Acids are substances that produce hydrogen ion in solution. (H + (aq) ) Bases are substances that produce hydroxide ions.

Acids, Bases, Salts and pH Physical Science. Acids Acids are chemicals in which the positive ion is a hydrogen atom. n for example; HCl or H 2 SO 4 n.

 An acid is a substance that produces a hydronium ion (H 3 O + ) when placed in water.  Examples of Acids:

Acids and Bases. Acids Properties –a substance that produce hydrogen ions (H + ) in solution –conduct electricity well –can taste sour –corrosive (“eat.

ACIDS, BASES, & SALTS Chapter 17.

Ch. 10: Lesson 1 Acids, Bases, and Neutralization Ch. 10: Lesson 1 Acids, Bases, and Neutralization.

Acids and Bases SC Physical Science Standard PS-3.8 Classify various solutions as acids or bases according to their physical properties, chemical properties.

Acids and Bases. A. Definitions 1. Acid releases hydrogen ions (H + ) 2. Bases release hydroxide ions (OH - ) 3. pH scale – measures how acidic or basic.

NOTES: 19.1 – Acid-Base Theories

 Both acids and bases ionize or dissociate in water  Acids: taste sour, conduct electricity, cause certain indicators to change color,turn blue litmus.

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

Acids/Bases and the pH Scale

Acids and Bases PS-3.8 Classify various solutions as acids or bases according to their physical properties, chemical properties (including neutralization.

Acids and Bases Unit 13 Acids 1) Acids start with hydrogen, and some react with active metals to liberate hydrogen gas. Ba (s) + H 2 SO 4(aq) BaSO.

Acids and Bases.

Electrical Conductivity

Acid Base Chemistry. The Electrolyte family Acid Base Salt (Water) Electrolytes conduct electricity.

ACIDS BASES SALTS Acids, Bases and Salts. The word acids comes from one of its characteristic properties, its taste. ACIDS = “acidus” (latin word) meaning.

Acids and Bases They don’t blow up in your faces!.

ACIDS and BASES Target: I will be able to define what makes something an acid or a base. I will be able to tell on a pH scale if something is an acid or.

Acids and Bases SNC2D. Some Properties of Acids  Sour taste  Water soluble  Very reactive  Conduct electricity  Can act as a catalyst  Corrosive.

Acids and Bases. Acid: A compound that when written, generally has hydrogen written first Produces hydronium ions (H 3 O + ) when dissolved in water.

ACIDS, BASES, and SALTS.

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

Acids, Bases and Salts Ms. MacInnes 2010 Science 10.

Solutions, Acids and Bases. Solution Formation A solution is a homogeneous mixture of two or more substances (Unit 1) A solution has two parts: – Solute.

CHAPTERS 19 ACIDS & BASES. What do you see? Acid Properties  Sour taste (citrus fruits)  Conduct electric current  Change the color of indicators-turns.

Acid-Base Notes. Acid- Compound that forms hydrogen ions (H + ) when dissolved in water Base – compounds that forms hydroxide ion (OH - ) when dissolved.

ACIDS AND BASES PH.

Acids, Bases & pH. WATER Before understanding Acids and Bases, you must understand water. 1. It is a polar covalent molecule. Like a magnet

1 4.7 Acids and Bases. Properties of Acids and Bases Acid Base - pH 7 - tastes sour- tastes bitter - no special feel- feels slippery - turns blue litmus.

Introduction to Acids and Bases Chapter 19. What is and Acid? Arrhenius Acid Defined as any chemical that increases the concentration of hydrogen ions.

Why are solutions acidic or alkaline? How do we measure acids?

Acids and Bases Applied Chemistry. Acids  Definition: A substance that produces hydrogen ions (H + or H +1 ) in water.  General reaction in water: HA.

Acids, Bases, and Salts. pH pH – measure of the concentration of H + ions in a solution or how acidic or basic it is. Scale ranges from 0-14 Strong acids.

The Chemistry of Acids and Bases Thornburg Objectives Define the following: –Acids –Bases –The pH scale compare/ contrast properties of acids and.

Acids and Bases. Objectives 1.I.D. the physical and chemical properties of acids and bases 2.Classify a solution as acidic, basic or neutral. 3.Explain.

Properties of Acids and Bases Acids Bases *Taste sour*Taste Bitter *Turns blue litmus paper red*Turns red litmus paper blue *Reacts with metals*Produces.

UNIQUE PROPERTIES OF WATER: Water can break apart to form hydrogen ions (H+) and hydroxide ions (OH-). Water can break apart to form hydrogen ions (H+)

Acids and Bases.

Navjot Kaur Nathan Coffing Sapphira Darmawan Connor McDevitt

TEXAS EDUCATION AGENCY POINT OF VIEW

Neutralization Reactions

Acids and Bases.

Acids and bases.

ACIDS AND BASES.

Acids and Bases Science 10.

Acids and Bases.

Acid, Base, or Neutral.

Acids and Bases.

Unit 12 Acids & Bases

Neutralisation Starter: What ions are found in acids?

Acids and Bases.

Acids and Bases.

Acids and Bases.

Acids and Bases.

Acids, Bases, Salts and pH

Acids and Bases Chapter 19.

ACIDS and BASES Chapter 19

Warm Up Take out your notes and practice problems on Types of reactions. Review and get ready for a quiz.

Acids and Bases Prentice Hall pp

Acids & Bases Introduction

Presentation transcript:

7.2 Acids and Bases

Acid A compound that breaks apart when dissolved in water to form hydrogen ions (H+) Example: hydrochloric acid dissolved in water HCl (aq)  H+ + Cl-(aq) https://www.youtube.com/watch?v=kcPjY9cQpWs

NaOH(s)  Na+(aq)+ OH-(aq) Base A compound that dissolves in water to form OH- (hydroxyl ions) NaOH(s)  Na+(aq)+ OH-(aq) https://www.youtube.com/watch?v=wq3C_dlKCGo **distilled water is

Properties of Acids and Bases Property Acid Base Taste Feel Dissolve in Water Conduct Electricity Corrosive pH Reaction with a metal