Visualizing Chemistry 105: Activity 7

Activity 7

1. At the pH Scale PhET simulation, complete the Teacher-Submitted Activities “pH Scale inquiry-based intro to acid-base” posted by Trish Loeblein on the pH Scale simulation at PhET (http://phet.colorado.edu/en/simulation/ph-scale). On your blog post the answers with your scientific explanations from the “pH Scale inquiry-based intro to acid-base” posted by Trish. NOTE: As you work with PHET, you may need to create an account at this site.

1. The color of a solution identifies if it is an acid, base, or neutral solution.

Answer: B, False

2. Which solution is basic?

Answer: D

3. Which solution is acidic?

Answer: C

4. Which solution is basic?

Answer: B

5. Which solution is acidic?

Answer: D

6: How will adding water affect the pH?

Answer: A

7. How will equal amount of water affect the pH?

Answer: B

8. What is the order from most acidic to most basic?

Answer: A

9. What is the order from most acidic to most basic?

Answer: E

10. If spit has a pH of 7.4, what does that tell you about the water equilibrium?

Answer: A

3. At the Acid-Base PhET simulation, complete the Teacher-Submitted Activities “Intro to Strong and Weak Acids and Bases” posted by Chris Bires on the Acid-Base Solutions simulation (http://phet.colorado.edu/en/simulation/acid-base-solutions) and post on your blog your data and answers to the questions posed. NOTE: you may have to click on "Browse more activities" at the bottom of the list.