Search Results: "Acids"

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03:38 Popular
Could Comets Be The Source Of Life On Earth? - Justin Dowd

1,598 views / 4 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/could-comets-be-the-source-of-life-on-earth-justin-dowd While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino a
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14:09 Popular
Biological Molecules - You Are What You Eat: Crash Course Biology #3

1,542 views / 0 likes - added 9 years ago

Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCou
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11:17 Popular
Acid-Base Reactions in Solution: Crash Course Chemistry #8

1,421 views / 0 likes - added 9 years ago

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha
09:15 Popular
What is Chemical Evolution?

968 views / 0 likes - added 9 years ago

Have you ever wondered how life first got started on Earth? So do scientists! Though the question has not yet been fully answered, a careful study of Chemical Evolution is beginning to shed light on this mystery. In this film you will learn what Chemical
03:48 Popular
The Strengths And Weaknesses Of Acids And Bases - George Zaidan And Charles Morton

956 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-strengths-and-weaknesses-of-acids-and-bases-george-zaidan-and-charles-morton Vinegar may have a powerful smell, but did you know it's actually a weak acid? In the chemical economy, acids actively give away t
11:23 Popular
pH and pOH: Crash Course Chemistry #30

920 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
09:54 Popular
Introduction To Amino Acids

914 views / 0 likes - added 8 years ago

Understanding amino acids and their role in the Central Dogma of Molecular Biology (how the information in DNA eventually gets expressed as chains of amino acids). Thinking about the amino and carboxyl groups and how amino acids are typically found as zwi
01:59 Popular
Your Hair is Strong Enough to Lift Two Elephants

874 views / 0 likes - added 7 years ago

THE QUICK AND THE CURIOUS Not that we suggest you try it… Human hair is composed of various amino acids that wrap around each other like chains on a molecular level. Subscribe to Science Channel: http://bit.ly/SubscribeScience Watch full episodes: http://
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07:30 Popular
What Was The Miller-Urey Experiment?

751 views / 0 likes - added 5 years ago

Click this link to take a survey about this video: https://www.surveymonkey.com/r/X2D8D7R This animation was sponsored by the Center for Chemical Evolution, NSF, and NASA: http://centerforchemicalevolution.com/ Help support Stated Clearly on Patreon: http
05:20
The One Where We Put Stuff in Acid

700 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or royal water, is
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08:26
Peptide Bond Formation

638 views / 0 likes - added 8 years ago

How amino acids (including ones in zwitterion form) form peptide bonds (peptide linkages) through a condensation reaction (dehydration synthesis).
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Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

589 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
08:26
Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

587 views / 0 likes - added 6 years ago

Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit
14:49
pH, pOH of Strong Acids and Bases

584 views / 0 likes - added 9 years ago

Calculating the pH or pOH of strong acids and bases. More free lessons at: http://www.khanacademy.org/video?v=tS2YJPmKOFQ
18:37
Acid Base Introduction

580 views / 0 likes - added 9 years ago

Arrhenius, Bronsted Lowry, and Lewis Acids and Bases. More free lessons at: http://www.khanacademy.org/video?v=vShCnTY1-T0
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Arrhenius Definition Of Acids And Bases

552 views / 0 likes - added 8 years ago

Arrhenius definition of acids and bases
08:57
Bronsted-Lowry Definition Of Acids And Bases

524 views / 0 likes - added 8 years ago

Bronsted-Lowry definition of acids and bases. Conjugate acids and bases.
14:33
pKa and pKb Relationship

522 views / 0 likes - added 9 years ago

The pKa and pKb relationship between conjugate acids and bases (both of which are weak). More free lessons at: http://www.khanacademy.org/video?v=3Gm4nAAc3zc
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Molecular Structure Of Triglycerides (Fats)

516 views / 0 likes - added 8 years ago

Understanding how a triglyceride (triacylglycerol) can be formed from a glycerol molecule and three fatty acids.
01:31
Why you should never pour grease down the drain

476 views / 0 likes - added 7 years ago

It can be easy to just wash out your pan and whatever grease is left on it right after cooking, but you could be doing real damage to your pipes and the public sewer system when you do. Here's what you need to know. The following is a transcript of the vi
16:46
Conjugate Acids and Bases

426 views / 0 likes - added 9 years ago

Introduction to conjugate acids and bases More free lessons at: http://www.khanacademy.org/video?v=0LM6wPpypxM
07:51
Why Do Acids Burn?

146 views / 0 likes - added 2 years ago

You can feel the tingle of lemon in your mouth as the acid reacts with the surrounding tissue and receptors. You've probably seen how soda can dissolve a piece of meat after a couple days. But what's so special about these substances that it can seemingly

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