ammonium nitrate and ammonium sulfate – can be identified by heating a solution of the ions with sodium hydroxide. This reaction produces ammonia gas, as shown in the ionic equation below: ...

It also shows that ammonia and hydrogen chloride (colourless gases) can react to form ammonium chloride again. This slideshow shows a reversible reaction involving white anhydrous copper(II ...

Technology installed at Orica’s Kooragang Island facility in Newcastle has nearly halved the site’s greenhouse gas emissions, ...

Ammonium nitrate is a crystal-like white solid ... This makes it more dangerous because if a fire reaches it, the chemical reaction will be much more intense. Videos from Beirut showed smoke ...

However, ammonia- and nitrite-oxidizers also play a very important role in wastewater treatment facilities by removing potentially harmful levels of ammonium that could lead to the pollution of ...

Catalysis is the chemical reaction brought about by a catalyst. A catalyst is the chemical version of a "matchmaker" because it physically brings together two chemicals in such a way that their chance ...

A new technique, based on a chain reaction of recognition and hybridization events between two sets of DNA hairpin molecules, offers an enzyme-free alternative for the rapid detection of specific ...

The Lebanese government has resigned amid growing public anger following a devastating explosion in Beirut on 4 August that killed at least 200 people and injured around 5,000 others. Here is what we ...

Michael M. Santiago / Getty Images A reaction is a sudden but usually short-lived upward or downward movement in a stock's price. While the financial media often speaks of how the market will ...

A federal report on a tanker-truck crash a year ago in central Illinois that spilled a toxic chemical and killed five people ...

When an irritating substance touches your skin, you’ll often get a reaction that resembles a burn with red, chapped, and dry skin. This skin reaction tends to be more painful than itchy.

This important work shows how a simple geophysical setting of gas flow over a narrow channel of water can create a physical environment that leads to the isothermal replication of nucleic acids. The ...