Gas bubbles rise simply because they are filled with a gas, usually carbon dioxide, which is much less dense than the liquid surrounding it. Yet, soda is...
The philosopher's stone is one of the most fascinating and intriguing objects in the entire history of alchemy. Supposed to possess incredible powers, it was...
Vinegar is essentially a diluted solution of acetic acid in water. Most commercial vinegars contain about 5 to 8% of this acid. You can easily...
Fluorescence is when a substance absorbs light and then almost immediately re-emits it with a different color. Basically, a liquid receives light (often UV) and...
Cola is a sweet carbonated beverage, primarily made up of water, sugar (or sweeteners), carbon dioxide (which creates the bubbles), phosphoric acid (for a slightly...
The secret of fizzy candies lies in the chemical duo of citric acid and sodium bicarbonate. When these substances encounter the moisture in your mouth, they react...
When aluminum is exposed to air, it quickly reacts with the oxygen present, forming a thin layer of aluminum oxide. This protective layer is ultra-thin, transparent, and...
When you light a fire in your fireplace, the wood heats up, releasing gases from its combustion. These gases normally burn when they reach a...
The molecules in a liquid attract each other and prefer to stay close to their neighbors rather than wander in the open air. This attraction, called surface...
When you add salt to water, you disturb the way it freezes. Salt alters the organization of water molecules, which lowers their freezing temperature. Essentially, instead of...
