Science 10 Mr. Jean February 29 th, 2012. The plan: Video clip of the day Getting Textbooks Acids...

Science 10Science 10

Mr. JeanMr. JeanFebruary 29February 29thth, 2012, 2012

The plan:The plan:

Video clip of the dayVideo clip of the dayGetting TextbooksGetting TextbooksAcidsAcidsEffects of acidsEffects of acidsIn class work on acidsIn class work on acids

Remind me at 9:30!!!Remind me at 9:30!!!

At 9:30am we have the library for 15 At 9:30am we have the library for 15 minutes to go get our textbooks. minutes to go get our textbooks.

Please remind me about this!Please remind me about this!

Lab tomorrow:Lab tomorrow:

Mr. Cooper has the bunsen burners this Mr. Cooper has the bunsen burners this period. period.

Thursday my plan it to complete the Thursday my plan it to complete the heating of fluids lab. heating of fluids lab.

AcidsAcidsAcids are very important substances.Acids are very important substances.They are why lemons taste sour.They are why lemons taste sour.They digest food in our stomachs.They digest food in our stomachs.They dissolve rocks to make fertilizer.They dissolve rocks to make fertilizer.They dissolve tooth enamel to form They dissolve tooth enamel to form cavities.cavities.

Sulfuric Acid: H H22SOSO4 (aq)4 (aq)

Sulfuric acid is the most common chemical Sulfuric acid is the most common chemical manufactured in the United States.manufactured in the United States.80 billion pounds are used every year in 80 billion pounds are used every year in the States to manufacture fertilizers, the States to manufacture fertilizers, detergents, plastics, pharmaceuticals, detergents, plastics, pharmaceuticals, storage batteries and metals.storage batteries and metals.

What do these things have in common?What do these things have in common?

AcidsAcids

They taste sour.They taste sour.As a matter of fact, the word acid comes As a matter of fact, the word acid comes from the latin term “acere” which means from the latin term “acere” which means sour.sour.If you check the ingredients of many If you check the ingredients of many foods, you will see that they may contain foods, you will see that they may contain acetic acid (vinegar ) and citric acid (found acetic acid (vinegar ) and citric acid (found in oranges).in oranges).

Chemistry: Acid VideosChemistry: Acid Videos

Properties of Acids: Properties of Acids: – http://www.brightstorm.com/science/chemistryhttp://www.brightstorm.com/science/chemistry

/acids-and-bases/acid-and-base-properties//acids-and-bases/acid-and-base-properties/

Strong Acids & Strong Bases: Strong Acids & Strong Bases: – http://www.brightstorm.com/science/chemistryhttp://www.brightstorm.com/science/chemistry

/acids-and-bases/strength-of-acids-and-bases/acids-and-bases/strength-of-acids-and-bases//

Naming Binary Acids:Naming Binary Acids:

Intro to tomorrow’s classIntro to tomorrow’s classNaming Acids:Naming Acids:

http://www.brightstorm.com/science/chemihttp://www.brightstorm.com/science/chemistry/acids-and-bases/naming-acids/stry/acids-and-bases/naming-acids/

Complete Acids & Bases:Complete Acids & Bases:

Work on the front side of the acids and Work on the front side of the acids and bases work sheet. bases work sheet.

Keep this sheet as notes for our chemistry Keep this sheet as notes for our chemistry test. test.

Unit #1 Test - March 8Unit #1 Test - March 8thth, 2012, 2012

Naming Ternary Acids:Naming Ternary Acids:

Example: Ternary AcidsExample: Ternary Acids

The Bad and the UglyThe Bad and the Ugly

Acid RainAcid RainNature does produce acid-forming Nature does produce acid-forming compounds. Volcanoes, for example, compounds. Volcanoes, for example, produce SOproduce SO22

Unfortunately, industries produce far greater Unfortunately, industries produce far greater quantities of it.quantities of it.SOSO2 2 + H+ H22O O H H22SOSO3(aq)3(aq)

Roughly 2/3 of all SORoughly 2/3 of all SO22 and ¼ of all NO and ¼ of all NOxx produced come from electric power produced come from electric power generation that relies on burning fossil fuels generation that relies on burning fossil fuels such as coal.such as coal.

Effects of Acid RainEffects of Acid Rain

It causes the acidification of lakes and It causes the acidification of lakes and streams and contributes to the damage of streams and contributes to the damage of trees at high elevation and many sensitive trees at high elevation and many sensitive forest soils.forest soils.It also accelerates the decay of building It also accelerates the decay of building materials and paints.materials and paints.– http://http://

faculty.plattsburgh.edu/thomas.wolosz/acid_rfaculty.plattsburgh.edu/thomas.wolosz/acid_rain.htmain.htm

Acid Raindrops Are Falling on My Acid Raindrops Are Falling on My Head…how to stop this…Head…how to stop this…

We can use scrubbers which chemically We can use scrubbers which chemically remove the SOremove the SO22 from coal-burning industries, from coal-burning industries, and power plants can switch to alternative fuels and power plants can switch to alternative fuels (such as solar, wind, water, or nuclear energy.)(such as solar, wind, water, or nuclear energy.)

Each Individual Can HelpEach Individual Can HelpTurn off lights, computers, and other appliances when you're Turn off lights, computers, and other appliances when you're not using them.  not using them.  Only use electric appliances when you need them.Only use electric appliances when you need them.Insulate your home as best you can.  Insulate your home as best you can.  Carpool, use public transportation, or better yet, walk or Carpool, use public transportation, or better yet, walk or bicycle whenever possible.  bicycle whenever possible.  Buy vehicles with low emissions, and maintain all vehicles Buy vehicles with low emissions, and maintain all vehicles well.  well.  Be well-informed. Be well-informed.

VOTE for GOVERNMENT’S which care about the VOTE for GOVERNMENT’S which care about the environment.   environment.