A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium ...

Chemical reactions make new chemicals. Atoms are rearranged during a chemical reaction, but the number of atoms does not change. A catalyst is a substance that speeds up a chemical reaction.

Over the last decade, the global market for plant-based beverages has seen remarkable growth, with oat, almond, soy and rice ...

A chemical reaction is when one or more substances change and produce one or more new chemical substances. The substances that are involved in a chemical reaction and that are changed by it are ...

Controlling matter at the atomic level has taken a major step forward, thanks to nanotechnology research by an international ...

This sequence of color changes will repeat with a period of approximately 15 seconds at 25 oC. The reaction last about 5 min. This reaction can occur by a radical process which is turned on when I- ...