This is known as a chemical change. The other kind of change in chemistry is a physical change, which is when a substance changes without becoming a new chemical. These physical changes are often ...

It may be appropriate at this stage to compare reversible (physical) changes with irreversible (chemical) changes. Review the following animation and fact sheet. Chemistry in the kitchen ...

The Arabian/Persian Gulf represents one of the most extreme marine ecosystems globally, shaped by its high salinity, temperature fluctuations, and limited water exchange. This semi-enclosed basin, ...