Acids and Bases. Warm up Please do Day 4 questions on your warm up sheet - The homework is due Today -Science fair students I need to give you your order.

Slides:

Advertisements

Similar presentations

Ch. 8. pH Scale  Used to measure how acidic or basic a substance is  Ranges from 0-14.

Advertisements

Chapter Nineteen: Solutions

Acids and Bases. Properties of Acids: Properties of ACIDS: 1. tastes sour.

Acids, Bases, and the pH scale. Acids Acids pH of 0 - < 7 pH of 0 - < 7 React with metals and Bases React with metals and Bases Tend to taste sour Tend.

The chemical of life. Acids Sour taste, leaves burning sensation Increase hydrogen ions (H+) in solution.

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

pH, Acidic and Basic Solutions

Chapter Nineteen: Solutions  19.1 Water  19.2 Solutions  19.3 Acids, Bases, and pH.

 Bonds of Water- strong › Can break into hydrogen ion (H + ) and hydroxide ion (OH - ) H 2 O  H + + OH -

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

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.

 Acids and Bases 8 th gr. Chemistry. Acids  Forms hydronium ions H 3 O+ when reacting with water  Sour taste  Corrosive  Conducts electricity  Can.

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

Chapter 8 Acids, Bases, and pH.

Acids and Bases The pH scale What do vinegar, lemons, and orange juice have in common?

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

EQ: How can we use acids and bases in our everyday lives?

Acids and Bases and pH How can we use acids and bases in our everyday lives?

Acids and bases. Acids An acid is any compound that increases the number of hydrogen ions when dissolved in water Solution tastes sour Can change the.

Acids & Bases. pH scale Ranges from 0-14 Ranges from – 6 = Acid 0 – 6 = Acid 0 is most acidic 0 is most acidic Concentration of H + (hydrogen or.

PH notes pH = % Hydrogen. Many compounds are soluble (can dissolve) in water. When an ionic compound dissolves in water, ionic bonds are broken. As a.

8.3 Properties of Acids and Bases Acid- a compound that produces hydronium ions (H3O) when dissolved in water. Examples: vinegar, carbonated drinks, stomach.

Split Notes for Chemical Properties Key Terms 1.What is a chemical property? 2. What is reactivity? Explanations, Definitions, and Concepts 1.A chemical.

AB C D E F Do Now – Write down the given descriptions. Draw the picture that matches. 1. A pure substance – molecules only 2. Mixture – molecules and compounds.

ACIDS AND BASES PH.

Acids and Bases. Acids An acid is a substance that: An acid is a substance that: Tastes sour Tastes sour Oily feeling Oily feeling Reacts with metals.

Acids & Bases. pH scale Ranges from 1-14 Ranges from – 6 = Acid 1 – 6 = Acid 1 is most acidic 1 is most acidic Concentration of H + (hydrogen)

Chapter 9 Lesson 3 ACIDS, BASES, AND SALTS. Vocabulary Acid: substance that tastes sour and turns blue litmus paper red when dissolved in water; releases.

Section 3-2 Acids and Bases. Terms to know Indicator: a substance that changes color in the presence of an acid or a base Corrosive: destroys body tissue,

Acids, Bases, and pH. Acids Produces H + in water forming H 3 O + ions (hydronium) Corrosive Sour Feels squeaky Conduct electricity: stronger the acid.

Acids & Bases I. Intro to Acids & Bases  Definitions  Properties  Uses.

Science Survey ACIDS AND BASES. ACIDS Acids donate H+ ions to form hydronium ions, H when dissolved in water. Acids have a pH of less than 7. pH=

Acids, Bases and the pH scale. pH scale pH stands for “potential of Hydrogen” The pH scale is a range of values from 0-14 that express the concentration.

P.Sci. Unit 11 Cont. Solutions, Acids, and Bases Chapter 8.

Acids and Bases Notes and Questions Ms. Haapala. Acids and Bases Standard 5 Acids, bases, and salts are three classes of compounds that form ions in water.

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.

Acids & Bases. Indicators Indicators contain certain dyes which change color at various pH values. Indicators contain certain dyes which change color.

Physical Science Chapter 9.2.  Create a sour taste in foods (lemons)  React with metals to produce hydrogen gas (H 2 )  Change color of blue litmus.

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.

Acids and Bases SPS6. Students will investigate the properties of solutions. d. Compare and contrast the components and properties of acids and bases.

Acids, Bases & pH. Acids Has positive hydrogen ions (H+) Has positive hydrogen ions (H+) Sour Taste Sour Taste Reacts with Metals and Carbonates Reacts.

Acids and Bases. Acids An acid is a substance that: An acid is a substance that: Tastes sour (dangerous) Tastes sour (dangerous) Oily feeling (dangerous)

Physical Science Chapter 23 ACIDS AND BASES.  Acid: A substance that produces hydrogen ions in a water solution.  The hydrogen ion then interacts with.

19-2 Describing Acids and Bases

P in Prentice Hall Biology, Miller and Levine.

Acids, Bases, & Salts. Acids  Acid= any compound that increases the number of hydrogen ions (H + ) (H 3 O + )when dissolved in water  Tastes sour 

An introductory powerpoint presentation on the study of acids, bases and related concepts.

Chapter Nine: Acids, Bases and Solutions 9.1 Water and Solutions 9.2 Acids, Bases, and pH.

Acids, Bases & Salts Acids & Bases  Definitions  Properties  Uses.

Acids, Bases, and pH.

Acids, Bases, & pH.

Acids And Bases 8.2.

8.3 Properties of Acids and Bases

Acids and Bases Science 10.

ACID AND BASES.

Acids and Bases Pop Can Acids and Bases.

Acids and Bases SPS6. Students will investigate the properties of solutions. d. Compare and contrast the components and properties of acids and bases.

Acids and Bases Chapter 23

ACIDS and BASES.

Acids and Bases.

Chapter 7 – Acids, Bases and Solutions

Acids Sour taste Change the color of acid-base indicators

Fold your paper: Inside- draw in the lines

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

Acids and Bases.

Acids and Bases.

Acids and Bases.

Physical Science Chapter 23

pH: Another Chemical Property

Presentation transcript:

Acids and Bases

Warm up Please do Day 4 questions on your warm up sheet - The homework is due Today -Science fair students I need to give you your order forms for the board and your EDD form for the science fair. -Money for boards are due Next Tuesday

Brain pop Acids and bases

Acids, Bases or Neutral ?

Acids Base Definition Any compound that increase the number of Hydrogen ions when dissolved in water. H + Any compound that increase the number of Hydroxide ions when dissolved in water OH - Taste and feel Sour taste / Corrosive burn feeling Bitter taste / Feels slippery Has more Hydrogen ions in solution (also a hydronium ion H30+ is produced) Hydroxide ions in solution Litmus paper Turns Blue litmus Paper redTurns Red litmus paper blue What type of chemicals do they react with Acids react with Metals, Carbonates and Bases Bases react with Fats, oils and acids Common examplesLemons, HCL, Soda and VinegarSoap, shampoo, baking soda and Window cleaner.

Neural ? Neutral has a ph level of about 7. Blood and Tap water have a ph of 7 When you mix an acid with a base it becomes neutral.

pH scale Numbered scale from 0 to 14 which indicates whether a solution is an Acid, a base or neutral. pH stands for Potential Hydrogen Acids or bases measured by the concentration of H + and OH - Pure water has pH of 7

pH indicators pH indictors can identify ( and tell you) whether a solution is an acid or a base. 1.Acidity or Basicity 2.Color, Hydrogen ions There are many types of pH indicators, some of them are, -Litmus paper ( red and blue litmus) -pH paper ( turn red for acid / blue for base) -Cabbage juice ( turn red for acid / blue for base) -pH solution

Demo Lets look at the different types of pH indictors.

Neutralization Imagine you have heart burn and you take an antacid like tums and then you suddenly feel better …… explain what has just happened?

Neutralization A chemical reaction in which an Acid and a Base combine together to form a neutral solution. When an acid reacts with a base, a salt is formed, along with water. Ex:

pH Indicators 1.Write down the 3 types of pH indicators we used in the lab. Explain how each one works? 2.pH paper turns _________ when it detects an acid. 3.pH paper turns _________ when it detects an base.