atmospheric chemistry

Atmospheric chemistry explores the chemical composition of the natural atmosphere; the way that gases, liquids, and solids in the atmosphere interact with each other and with the earth's surface and living organisms; and how human activities may be changing the chemical and physical characteristics of the atmosphere.

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Liquid Nitrogen Cloud
The Liquid Nitrogen Cloud
// Friday, July 26, 2019 • Tom Kuntzleman
One of my favorite experiments to conduct is the liquid nitrogen cloud. As long as you can get some liquid nitrogen, it is incredibly easy to carry out. All you have to do is pour some hot water into liquid nitrogen and a massive cloud results. Check it out (also, be sure to check out the video posted further below):
Cool Earth, Hot Earth
Simple Demonstration of The Warming Effect of Carbon Dioxide
// Tuesday, March 26, 2019 • Tom Kuntzleman
With Earth Day approaching, you might want to try out the experiment published in the Journal of Chemical Education.1 It outlines a fantastic way to demonstrate the warming influence that atmospheric CO2 has on our planet. I followed the procedure and offer a video of the results.2
Cloud formed when dry ice is placed in water
The Dry-Ice-in-Water Cloud
// Sunday, December 4, 2016 • Tom Kuntzleman
Have you ever wondered where the cloud comes from when dry ice is placed in water? Consider the answer returned in my browser when I Googled the phrase “How does the dry ice cloud form”:
Crush a can with chemistry
Solution to Chemical Mystery #6: The Case of the Collapsing Can
// Sunday, June 5, 2016 • Tom Kuntzleman
In Chemical Mystery #6, I used chemistry to crush a metal can. To do so, concentrated sodium hydroxide solution (about 35% NaOH by weight) was added to a can that was almost completely filled with carbon dioxide gas. The can was then sealed. The carbon dioxide gas in the can reacted with the added sodium hydroxide:
Silver plate: before and after
Using Chemistry to Find that Silver Lining
// Thursday, March 3, 2016 • Tom Kuntzleman
I recently gave a public lecture on my campus in which (among other things) I discussed the chemistry of metallic copper, silver, and gold.