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)

Slides:

Advertisements

Similar presentations

General Chemistry Spring 2010

Advertisements

Acids and Bases Chapter 24. Acids… Definition: When an acid dissolves in water, H+ ions (charger particles) are formed H+

Chemistry Notes: Acids and Bases

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

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

Pg of composition notebook.  Acid: Substance that donates Hydrogen ions (H + ) to a solution.  Or forms H 3 O + (hydronium ions) with water 

Acids and Bases.

Acidity and Alkalinity How do we tell an acid from a base and what is it good for?

Acids and Bases Chapter 15. Acids a substance which when added to water produces hydrogen ions (H + ) hydronium (H 3 O + ) is created Water + Hydrogen.

ACIDS, BASES, & SALTS ACIDS Contain hydrogen ions, H + also called hydronium ions, H 3 O + Taste sour (remember not to taste chemicals as a rule) Dangerous.

COMMON SENSE IS LIKE DEODORANT, THE PEOPLE WHO NEED IT THE MOST NEVER USE IT.

Acids and Bases SNC2D. Properties of Acids Acids: taste sour taste sour.

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.

The pH Scale Is a substance an acid or a base? Acid Properties Donate H + ions Taste sour React with certain metals to produce hydrogen gas React with.

Properties.  They taste sour (don’t try this at home).  They can conduct electricity.  Can be strong or weak electrolytes in aqueous solution  React.

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 Acids and Bases. Acids Have a sour taste. Vinegar is a solution of acetic acid. Citrus fruits contain citric acid. React with certain.

+ Acids and Bases. + Examples of Acids? + Examples of Acids lemon, vinegar, grapefruit. pop Lactic Acid found in your muscles Some animals use acid to.

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

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 & 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.

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 AND BASES Properties of Acids  Acids are proton (hydrogen ion, H + ) donors  Acids have a pH lower than 7  Acids taste sour.

Wednesday, 1/22 Dock your phones and update your agenda Glue last night’s homework (Organic Compounds Reading & Summary) on page 47L Put notes for today.

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)

Acids & Bases Chapter 9. Arrhenius Acid DEFINITION Any substance that releases hydrogen ions in water. Any substance that releases hydrogen ions in water.EQUATION:

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.

They Are Everywhere.  Common Acids Hydrochloric AcidHClStomach Acid Ascorbic AcidC6H8O6C6H8O6 Vitamin C Phosphoric AcidH 3 PO 4 Fertilizers and Detergents.

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.

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. The Chemistry of Acids and Bases Acid and Bases.

CHAPTER 25 ACIDS AND BASES. ACIDS Acid: a substance that produces hydrogen ions (H + ) in a water solution  The formula for an acid usually starts with.

Acids and Bases Name some acids and bases that are familiar to you.

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

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. 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.

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

P in Prentice Hall Biology, Miller and Levine.

Acids & Bases. Acid Properties taste sour (Don’t taste anything in lab!) show a definite color change when mixed with an indicator turn litmus from blue.

Acids and Bases. Indentifying Properties Acids Sharp, sour, or tart taste Turn litmus paper red Phenolphthalein (liquid indicator) remains clear React.

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)

ACIDS AND BASES.

Navjot Kaur Nathan Coffing Sapphira Darmawan Connor McDevitt

The Chemistry of Acids and Bases

Acids and Bases.

I. Intro to Acids & Bases Definitions Properties Uses

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.

Bell Ringer To measure the amount of concentration, you compare the amount of solvent and _______. To change the concentration you can add solute.

ACIDS A substance that produces HYDROGEN (H+) or HYDRONIUM (H3O+) ions in solution.

PH scale A. A measurement system to indicate the concentration of H+ (hydrogen ions) 1. The pH scale ranges from Water is made up of H+ and OH-

Acids and Bases.

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

ORGANIC COMPOUNDS.

Acids and Bases.

Acids and Bases 1) Properties and examples 2) Theories 3) pH scale

Describing Acids and Bases

Describing Acids and Bases

Acids and Bases.

Acids and Bases.

Presentation transcript:

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) Oily feeling (dangerous) Reacts with metals and carbonates Reacts with metals and carbonates Corrosive Corrosive Turns blue litmus paper red Turns blue litmus paper red All contain Hydrogen (p775) All contain Hydrogen (p775) Anything beginning with H is acid except water (H 2 O) and peroxide (H 2 O 2 ) Anything beginning with H is acid except water (H 2 O) and peroxide (H 2 O 2 )

Acids Caution: Caution: Wash with water if it gets on you Wash with water if it gets on you Never smell Never smell Don ’ t pour water into acid Don ’ t pour water into acid Don ’ t taste!! Don ’ t taste!! Common Acids Common Acids Lactic Acid = Buttermilk Lactic Acid = Buttermilk Acetic Acid = Vinegar Acetic Acid = Vinegar Citric Acid = Oranges Citric Acid = Oranges Carbonic Acid = Cokes (carbonated water) Carbonic Acid = Cokes (carbonated water)

Bases A base is a substance that: A base is a substance that: Tastes bitter (dangerous) Tastes bitter (dangerous) Slippery feeling (dangerous) Slippery feeling (dangerous) Dissolves fats, oils, wool, & hair (lye) Dissolves fats, oils, wool, & hair (lye) Turns red litmus paper blue Turns red litmus paper blue Neutralizes acids to form salt and water. Neutralizes acids to form salt and water. All have Hydroxides (OH) (p779) All have Hydroxides (OH) (p779)

Bases Common Bases Common Bases NH 4 OH = Ammonia NH 4 OH = Ammonia NaOH = Lye NaOH = Lye Mg(OH) 2 = Milk of Magnesia, Rolaids, Tums Mg(OH) 2 = Milk of Magnesia, Rolaids, Tums NaHCO 3 = Sodium Bicarbonate: Baking Soda NaHCO 3 = Sodium Bicarbonate: Baking Soda

pH Scale The pH scale is a range of values from that tells the concentration of Hydrogen ions in a solution. The pH scale is a range of values from that tells the concentration of Hydrogen ions in a solution. 0 = Most Acidic 0 = Most Acidic 7 = Neutral 7 = Neutral 14 = Most Basic 14 = Most Basic

Indicators Litmus Paper Litmus Paper Acids: blue litmus paper RED Acids: blue litmus paper RED Bases: red litmus paper BLUE Bases: red litmus paper BLUE Phenolphthalein Phenolphthalein Bases turn pink Bases turn pink Cabbage Juice Cabbage Juice Acids: pink/purple Neutrals: blue Bases: green Beet Juice Beet Juice Acids: red Bases: purple

Acids Bases