Hi. This is Mr. Andersen and today I'm going to show you how to do mole conversions. Sometimes we call these mole gram conversions. But the first thing kids get confused by is just the word...
>> So today we're going to be going over some mid-term review questions. It's going to be a lot on how the discussion sections work. We're going to go over some...

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>> So, let me remind you, we're going to take a quiz on Friday during the [inaudible] of class. They'll be a stack of Scantrons right there at the front of the lecture...
[ Silence ] >> So today we're going to finish up our discussion of examples of vibrations in polyatomic molecules and how we can figure out which ones are IR and Roman active by...
So, is CS2 polar or nonpolar? The short answer is this that CS2 is nonpolar. And here's why. We can determine from the Lewis structure that this is a linear molecule. All the the atoms are in...
>> Okay, so we have a quiz on Friday, as you know. And it's just going to be exactly the way it was last Friday. This Scantrons are going to be up there at the front. Grab one...

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Music I know what an atom is made of. [What are they made of?] Electrons, Neutrons and Protons. [Very Nice!] Music These are properties that chemists use to tell things apart because even though they...

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Hello, my name is Chris Healer and I am CEO of a company called The Molecule We are based in New York and Los Angeles and we do motion graphics visual effects and other bits and bobs of post...
Michael Rogers, Ph.D. Expert in Small-Molecule Chemistry My name is Mike Rogers. I’m the Director of the Division of Pharmacology, Physiology, and Biological Chemistry in NIGMS. And one of the...

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Why is Water the Molecule of Life? Ever wondered why the human body 60% water? Why can fish survive under frozen lakes during winter? Or, why do we sweat when we feel hot? Water is often called the...