Let students know that in this chapter they will explore what happens during a chemical change. In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Perspectives for chemical-assisted water electrolysis provide valuable insights into innovative catalyst design strategies and outline future directions for achieving low-voltage and high ...

Electrolysis can isolate hydrogen by splitting water – H₂O – into H₂ and O₂ using an electric current. Methane reforming uses steam to split methane, or CH₄, into H₂ and CO₂.

The U.S. Chemical Safety and Hazard Investigation Board, a federal watchdog that advises rule-making, has documented more than 170 serious accidents caused by reactives—resulting in more than ...

To start a fire, you need an external heat source such as lightning. David Wheat/Shutterstock. A little bit of extra heat won’t do it. But when cellulose and lignin are heated to 300°C ...