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 ...

Hydrogen is getting a lot of attention as the EPA prepares to propose new emissions rules for power plants. But it has a problem: almost all of it used today is made from fossil fuels.

Key Concepts Substances react chemically in characteristic ways. A set of reactions can be used to identify an unknown substance. Summary Students will use test liquids on different known powders and ...

For years, a chemical imbalance of serotonin has been widely viewed as the culprit for depression, resulting in the widespread use of antidepressants.

We’re all familiar with fire. But do you really know what it is and how it starts? Here’s the chemistry of fire – and why Australia is so prone to going up in flames.

A vital system of ocean currents in the Atlantic could collapse within a few decades – an event that would be catastrophic for global weather and “affect every person on the planet.” ...

To address climate change and environmental pollution, clean hydrogen production technologies are gaining attention. In particular, water electrolysis is considered a promising technology that can ...

Chemical plants across the United States are concentrated near ports, which makes shipping cheaper but raises the risk of many disasters that climate change makes worse, such as hurricane storm surge.

The internet is abuzz with tributes to a liquid chemical called methylene blue that is being sold as a health supplement.

In 2018, over 350,000 excess heart disease deaths were linked to phthalates. More research is needed to fully understand the chemicals' effects.

670 Electrolysis Workstation Scribner’s flexible system is ideal for R&D on carbon dioxide reduction. (Courtesy: Scribner) The electrochemical reduction of carbon dioxide is used to produce a range of ...