ACIDS AND BASES
Which of the following would you drink? Copyright © 2010 Ryan P. Murphy
Acid Copyright © 2010 Ryan P. Murphy
Acid Water / neutral Base Copyright © 2010 Ryan P. Murphy
Acid Water / neutral Base Copyright © 2010 Ryan P. Murphy
Acid Water / Neutral Base Copyright © 2010 Ryan P. Murphy
Acid Water / neutral Base Copyright © 2010 Ryan P. Murphy
Acid Water / Neutral Base Sea water Copyright © 2010 Ryan P. Murphy
Acid Water / Neutral Base Sea water Copyright © 2010 Ryan P. Murphy
The average pH of soft drinks, e. g. Coke/ Pepsi is a pH 3. 4 The average pH of soft drinks, e.g. Coke/ Pepsi is a pH 3.4. This acidity is strong enough to dissolve teeth and bones! Copyright © 2010 Ryan P. Murphy
The average pH of soft drinks, e. g. Coke/ Pepsi is a pH 3. 4 The average pH of soft drinks, e.g. Coke/ Pepsi is a pH 3.4. This acidity is strong enough to dissolve teeth and bones! Copyright © 2010 Ryan P. Murphy
Video Link! (Optional) Mtn. Dew Mouth. How Mtn. Dew and other sodas can cause serious tooth decay if misused. http://www.mefeedia.com/video/14377911 Copyright © 2010 Ryan P. Murphy
Water in a pure state has a neutral pH. Pure water is neither acidic or basic. Copyright © 2010 Ryan P. Murphy
Water in a pure state has a neutral pH. Pure water is neither acidic or basic. Neutral: Copyright © 2010 Ryan P. Murphy
Water in a pure state has a neutral pH. Pure water is neither acidic or basic. Neutral: In the middle. Not favoring one side or the other. Copyright © 2010 Ryan P. Murphy
Water in a pure state has a neutral pH. Pure water is neither acidic or basic. Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
The pH scale goes 1-14 7 is neutral 1 is Acidic 14 is basic Copyright © 2010 Ryan P. Murphy
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
Please decided whether the box is placed in an area of the pH scale that is… Acidic -Neutral -Basic
What is the pH of the two pieces of Litmus Paper below?
What is the pH of the two pieces of Litmus Paper below?
What is the pH of the two pieces of Litmus Paper below?
What is the pH of the two pieces of Litmus Paper below What is the pH of the two pieces of Litmus Paper below? Answer: pH of 10.
What is the pH of the two pieces of Litmus Paper below What is the pH of the two pieces of Litmus Paper below? Answer: pH of 10. Is that an acid or base?
What is the pH of the two pieces of Litmus Paper below What is the pH of the two pieces of Litmus Paper below? Answer: pH of 10. Is that an acid or base?
What is the pH of the two pieces of Litmus Paper below?
What is the pH of the two pieces of Litmus Paper below?
What is the pH of the two pieces of Litmus Paper below?
What is the pH of the two pieces of Litmus Paper below? Answer: pH of 3
What is the pH of the two pieces of Litmus Paper below? Answer: pH of 3 Is that an Acid or a Base?
What is the pH of the two pieces of Litmus Paper below? Answer: pH of 3 Is that an Acid or a Base?
What color best represents distilled water?
What color best represents distilled water?
What color best represents distilled water? Answer: Olive / Green
What color best represents distilled water? Answer: Olive / Green Is it an acid or a base?
What color best represents distilled water? Answer: Olive / Green Is it an acid or a base? Trick, It’s Neutral
pH - An expression for the effective concentration of hydrogen ions in a solution. Copyright © 2010 Ryan P. Murphy
The strength of an acid is based on the concentration of H+ (hydrogen) ions in the solution. Copyright © 2010 Ryan P. Murphy
This is what can happen if your sensitive skin comes in contact with dangerous acid.
This is what can happen if your sensitive skin comes in contact with dangerous acid.
What if I am splashed with something that is extremely basic?
The same result! Both ends of the pH scale are extremely dangerous and need to be respected.
Acid burns are real and pose a very serious health risk Acid burns are real and pose a very serious health risk. Know about them in your house and workplace. Copyright © 2010 Ryan P. Murphy
Acid burns are real and pose a very serious health risk Acid burns are real and pose a very serious health risk. Know about them in your house and workplace. Always wear the proper safety gear when working with dangerous materials. Copyright © 2010 Ryan P. Murphy
Picture of laborers collecting sulfur in a dangerous sulfur mine. Copyright © 2010 Ryan P. Murphy
Picture of laborers collecting sulfur in a dangerous sulfur mine. Life expectancy of these workers is very young as the sulfuric acid in the air they breath burns their lungs. Copyright © 2010 Ryan P. Murphy
Picture of an acid lake on top of a volcano.
The strength of a base is determined by the concentration of Hydroxide ions (OH-) Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Test two mystery substances to see which is a dangerous acid, and which is a dangerous base. Sodium Hydroxide (Basic) Hydrochloric Acid (Acidic)
Hydrogen Explosive Bubbles Video Link http://www.youtube.com/watch?v=zrg8XlHEDJ8 Copyright © 2010 Ryan P. Murphy
Water has a neutral pH, and therefore dissolves solutions or compounds of any pH. Copyright © 2010 Ryan P. Murphy
Acid Rain is caused by Nitrogen and Sulfur dioxides Acid Rain is caused by Nitrogen and Sulfur dioxides. aka – Air pollution. SO2 NOx NO3 Copyright © 2010 Ryan P. Murphy
Video Link! Acid Rain http://www.youtube.com/watch?v=HE6Y0iEuXMQ
Copyright © 2010 Ryan P. Murphy
Map showing greatest acid rain concentrations in the U.S.
Map showing greatest acid rain concentrations in the U.S.
Map showing greatest acid rain concentrations in the U.S.
Map showing greatest acid rain concentrations in the U.S.
Map showing greatest acid rain concentrations in the U.S.
Map showing greatest acid rain concentrations in the U.S.
Map showing greatest acid rain concentrations in the U.S.
Acid rain: Any form of precipitation that is unusually acidic Acid rain: Any form of precipitation that is unusually acidic. Usually around a pH of 5 Copyright © 2010 Ryan P. Murphy
Question: If you swim in a pond that is affected by acid rain will you look like this?
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
Answer: No. The change in pH (Acidity) will be small Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain.
The result, a lake that looks beautiful but is biologically dead. Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain. The result, a lake that looks beautiful but is biologically dead.
The result, a lake that looks beautiful but is biologically dead. Answer: No! The change in pH (Acidity) will be small. This will have a large impact on the micro-organisms which then moves up the food chain. The result, a lake that looks beautiful but is biologically dead. Learn more about acid rain at… http://www.epa.gov/acidrain/
Cleopatra’s Needle in Egypt. (Dry) Misnamed: They are ancient Egyptian obelisks and not connected to Cleopatra. Three were removed from Egypt and brought to London, Paris and New York. Copyright © 2010 Ryan P. Murphy
Central Park Present
Central Park Present
Central Park Present
Brought to New York City Water + Chemical Pollution = Copyright © 2010 Ryan P. Murphy
Brought to New York City Water + Chemical Pollution = Copyright © 2010 Ryan P. Murphy
Activity / Video – View Video and Conduct Activity http://www.youtube.com/watch?v=a5qRnbhtako Directions are on video. Draw a before and after along with a quick procedure. Materials, glass, chalk, vinegar, paper clip. Copyright © 2010 Ryan P. Murphy
ACID BASE Acids and Bases optional PowerPoint in folder. Nice reading can be found here. http://www.visionlearning.com/library/module_viewer.php?mid=58 ACID BASE H+ H+ OH- H+ OH- H+ H+ OH- H+ OH- H+ OH- H+ Low pH, Lots of H+ Lots of OH-, High pH