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If you want to learn how to calculate pH, our first pH video is here:
https://www.socratica.com/lesson/calc...

Ever wonder whether your coffee is acidic or not? How about your tap water? We’re testing the pH of 10 Common Household Liquids using a digital pH meter.

Pure water is neutral, with a pH of 7, but most other waterbased solutions are either acidic or basic. Some people are afraid of the word “acid,” thinking it means they are going to get burned. But the words “acid” and “base” merely tell you the direction a solution is moving away from neutral.

Acids increase the concentration of H+ ions in a solution.
Bases decrease the concentration of H+ ions in a solution.
If you’re concerned about safety, what you really want to know is the pH.
The pH scale runs from 0 to 14.
Acids have a pH less than 7.
Bases have a pH greater than 7.
The farther you are from 7, the stronger the acid or base is.

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LESSON CHAPTERS:
0:00 Introduction about acids and bases
1:46 pH equation
2:52 Tap Water
3:25 Coffee
4:00 Glass Cleaner
4:44 Soda Pop
5:14 Moisturizer
5:47 Vinegar
6:16 Sriracha (hot sauce)
6:49 Shampoo
7:50 Milk
8:36 Lemon Juice
9:25 Challenge

Socratica sends a big thank you to Rozway for sending us their digital pH meter to use in this video! We're sorry to say we don't see their store on Amazon anymore, but here is a very similar pH meter so you can test everything in your house like we did! Here's a link:
https://amzn.to/3UuuHgf'>https://amzn.to/3UuuHgf

We would also like to thank our generous Patreon Sponsor, Tracy Karin Prell, for her kind donation that helped us make this video!! Tracy, you have been such a positive influence on us! We're so glad you are on the Socratica Team!

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Socratica Practice Tests: https://shop.socratica.com/collection...
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Brown and LeMay Chemistry: The Central Science
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Uncle Tungsten: Memories of a Chemical Boyhood by Oliver Sacks https://amzn.to/3ffeRau
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Digital pH meter https://amzn.to/3UuuHgf'>https://amzn.to/3UuuHgf

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Written and Produced by Kimberly Hatch Harrison

About our instructor:
Kimberly Hatch Harrison received degrees in Biology and English Literature from Caltech before working in pharmaceuticals research, developing drugs for autoimmune disorders. She continued her studies in Molecular Biology (focusing on Immunology and Neurobiology) at Princeton University, where she began teaching as a graduate student. Her success in teaching convinced her to leave the glamorous world of biology research and turn to teaching fulltime, accepting a position at an exclusive prep school, where she taught biology and chemistry for eight years. Kimberly cofounded Socratica Studios.

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