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Old 04-13-2008, 04:31 PM
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Thumbs up Chemistry is Cool!!

And the videos at this link prove it.


Top 10 Amazing Chemical Reactions - The List Universe
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Old 04-13-2008, 07:13 PM
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Re: Chemistry is Cool!!

Hmm, magic, right there in front of your eyes, it is definately cool.

Levitation, demon voices - "I am your father Luke" And that's just the sulfur hexaflouride

You could embellish a few of these with some theatrics and be a legend at childrens parties

But you know what they say in show business. "Don't work with thermite and children."
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Old 04-14-2008, 09:02 PM
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Re: Chemistry is Cool!!

Who has a favorite, and why?
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Old 04-15-2008, 03:48 PM
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Re: Chemistry is Cool!!

Very nice videos!
I really like the sulfur hexafluoride. I've been trying really hard to find some for quite a while now, because I've always wanted to experiment with it... but no such luck. Looks like fun stuff though!
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Old 04-15-2008, 04:10 PM
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Re: Chemistry is Cool!!

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Originally Posted by InfiniteNow View Post
Who has a favorite, and why?
I liked #8 the best because disintegrating gummy bears, or anything else, is always fun.
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Old 05-03-2008, 02:45 AM
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Re: Chemistry is Cool!!

Just saw the videos - they were great!!

The one that got the biggest reaction out of me was Sodium and Water in Chlorine Gas, but I also liked the Meissner Effect and Sodium Acetate Super Saturation. And Superabsorbent Polymer and Floating on Sulfur Hexafluoride...

Very cool!
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Old 05-03-2008, 03:17 AM
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Re: Chemistry is Cool!!

I think we all agree that the Sulfur Hexafluoride one was absolutely cool amongst all cool things...great selection of videos by the way.
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Old 05-03-2008, 07:12 AM
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Re: Chemistry is Cool!!

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Originally Posted by LJP07 View Post
I think we all agree that the Sulfur Hexafluoride one was absolutely cool amongst all cool things....
Let's do some chemistry with it. The average molecular weight of air is 29. SF6 comes in at 146.60 or 5.10 times as dense as air . (A molar volume is a molar volume, 22.4 liters at STP.) Can we do better? Sure! Make something volatile by perfluorination and symmetry (removal of dipole moment). IF7. bp = 4.77 C, colorless gas. MW = 259.89 or 8.96 times as dense as air. It's smelly, reactive, and toxic. Can we do better? Sure!

US Patent 3992424. Take your perhalogenated whatsis-X, microwave plasma with F3C-CF3, swap partners to get whatsis-CF3 and CF3X. I(CF3)7 is perfectly reasonable and most likely gaseous at room temp or slightly above. MW = 609.95 or 21.03 times as dense as air. A two-liter bottle of air contains 2.6 grams of air (piffle) or 54.5 grams of I(CF3)7 - and that's perceptably heavy. U(CF3)6 is "a very volatile solid," MW = 652.
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Old 05-05-2008, 05:25 PM
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Re: Chemistry is Cool!!

My favorite chemical affect was performed by my freshman chemistry professor. It was called the beating heart experiment. A blob of mercury is placed in a dichromate solution with a little sulfuric acid. The mercury is touched with a nail. The mercury started to beat like a heart. It can do some morphing between shapes.

Here is video link that explains it.
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Old 05-05-2008, 07:23 PM
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Re: Chemistry is Cool!!

Quote:
Originally Posted by HydrogenBond View Post
It was called the beating heart experiment. A blob of mercury is placed in a dichromate solution with a little sulfuric acid. The mercury is touched with a nail. The mercury started to beat like a heart. It can do some morphing between shapes.

Here is video link that explains it. YouTube - Pulsating Electrochemical Reaction: Mercury Beating Heart
HydrogenBond,

Out of your almost 1800 posts here, this one has got to be your most coherent and cool. Thanks for the neat video. Perhaps I would enjoy your posts more if you used fewer words and more videos!


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