Together, they make the substance, calcium phosphate. Sidewalk chalk is made from calcium and sulfate, which makes calcium sulfate. One of the most common chemicals connected to calcium is called ...

The concrete industry accounts for roughly 8 percent of global carbon dioxide emissions, but a new study says that it could one day be a source of negative emissions. By taking a page out of nature’s ...

Researchers injected CO2 gas into seawater while applying an electrical current. The process transformed dissolved ions, minerals in seawater into clusters of solid particles. The clusters hold over ...

Thermal decomposition is a chemical reaction that happens when a compound ... these can be elements or compounds. So, if we have calcium carbonate and we heat it, it breaks down to produce calcium ...

This fascinating chemical reaction demonstrates acid-base interactions ... and how differently the colors behave depending on which temperature water is added first. The eggshell is made of calcium ...

These polyphenols react with calcium carbonate, a mineral present in hard water. The higher the concentration of calcium carbonate in the water, the more pronounced the film will be on the tea.

Scientists have found a new way to fight climate change—by turning carbon dioxide (CO₂) into strong, fire-resistant building ...