Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

A change is called irreversible if it cannot be changed back again. Many chemical reactions are irreversible. In a chemical reaction, new materials are always formed. Sometimes these new materials ...

Some chemical reactions change temperature, change color, produce a gas, or make a solid from two liquids. Try this reaction and see what it does! Pour 1 tablespoon of hydrogen peroxide into a cup.

Atoms are rearranged during a chemical reaction, but the number of atoms does not change. Evidence of chemical reactions includes a large temperature change, bubbles, or a colour change.

Scientists at Oak Ridge National Laboratory have developed a method that can track chemical changes in molten salt in real time ... the scientists used argon gas (which alone doesn't cause a reaction) ...

The Chem-E-Car competition races cars which are only powered by chemical reactions. The goal is to come up with an elegant solution – you can’t simply jettison matter out the back as the ...

Scientists have for the first time filmed the real-time growth and contraction of Palladium nanoparticles, opening new avenues for utilising and recycling precious metal catalysts.

The ancient reactions Suess is investigating rely on specialized enzymes with clusters of metal atoms. These could provide the key to developing new methods that can extract vast amounts of carbon ...

While hydrogen production technologies are gaining attraction for a sustainable energy transition, traditional water ...