Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

This article was taken from the June issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content ...

Sodium hydrogen carbonate (sodium bicarbonate, NaHCO 3) is a time-honored remedy for acid indigestion. It gives off CO 2 when it is heated, which makes cakes and cookies rise during baking. It can ...

Citric acid is a weak acid that is found naturally in all citrus fruits. Unlike strong acids, weak acids ionize only partially when in solution. If you’ve ever sunk your teeth into a lemon or any ...

Citric acid naturally occurs in citrus fruits. Synthetic versions are produced from a type of mold and are often used as an additive. They can cause adverse reactions in some people. Citric acid is ...

Citric acid is a weak organic acid that occurs naturally in produce, such as citrus fruits. It is used in food, cosmetics, and cleaning products. Share on Pinterest vkbhat/Getty Images Citric acid is ...