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Understanding the Empirical Formula in Chemistry
science.howstuffworks.com/empirical-formula.htm
In chemistry, there are a variety of methods that scientists use to identify a chemical compound, including a molecular formula, molar mass and molecular diagram. The simplest formula of these is known as the empirical formula.
Why are blueprints blue?
science.howstuffworks.com/engineering/structural/blueprints-blue-.htm
Why are blueprints blue and not some other color? There's a specific chemical process behind it, and its discovery has all the elements of a dark fairy tale.
Saponification: The Science Behind Soap-Making
lifestyle.howstuffworks.com/crafts/diy-gift-guide/how-to-make-lye-soap.htm
Saponification is the chemical process by which the ingredients that make up the typical bar of soap come together. Find out for yourself with our easy lye soap recipe.
What Are the Nitrogen Cycle Steps?
science.howstuffworks.com/life/biology-fields/nitrogen-cycle.htm
The nitrogen cycle is the system by which nitrogen is converted into different chemical forms, some usable to humans and animals and some not, as it circulates among the atmosphere, the land and the oceans.
The Science Behind Your Cat's Catnip Craze
science.howstuffworks.com/life/botany/science-behind-cats-catnip-craze.htm
Researchers are studying the chemistry behind what makes cats go crazy for catnip. And whether or not the chemical compound could have medicinal benefits for treating diseases like cancer.
A New Green Solution for Dyeing Blue Denim
science.howstuffworks.com/environmental/green-tech/sustainable/denim-dyeing.htm
From the chemicals that pollute and the massive use of water, the traditional method of dyeing blue jeans is an environmental disaster. Nanoparticles made from wood pulp might be the answer to the problem.
How Does the Herbicide Glyphosate (Roundup) Work?
home.howstuffworks.com/question357.htm
Roundup is the brand name for the chemical glyphosate, which is the most widely used weedkiller today. Some hail it, some hate it, but what does it really do?
Could Our Spacecraft Accidentally Ignite an Alien World's Entire Atmosphere?
science.howstuffworks.com/rockets-accidentally-ignite-alien-world-atmosphere.htm
Outer planets in our solar system have atmospheres made up of flammable chemicals that can cause explosions on Earth. Could a rocketship, or electric spark, ignite them?
Your Feet Can Taste Garlic
health.howstuffworks.com/mental-health/human-nature/perception/your-feet-can-taste-garlic.htm
The American Chemical Society has released a fun video about an experiment you can try with garlic - and your feet. Learn more at HowStuffWorks Now.
How do self-cleaning ovens work?
recipes.howstuffworks.com/tools-and-techniques/question559.htm
Self-cleaning ovens use a temperature cycle to burn off spills from baking, without the use of any chemicals. Learn more about self-cleaning ovens.