Students explore the concept that chemical reactions involve the breaking of bonds between atoms in the reactants, and the rearrangement and rebonding of these atoms to make the products. Students ...
The speed of a chemical reaction is affected by temperature, concentration, particle size and the presence of a catalyst. It can be calculated by measuring changes in reactants/products.
In this video, Fran Scott demonstrates how to perform practical experiments with electrolysis. Electrolysis involves using electricity to break down electrolytes to form elements. The products of ...
The lesson can also be used to lay a foundation for learning about changes in state and chemical changes which can be further developed in later grades. If water is cooled enough it can change to ice.
Traditionally, research has focused on either climate change or chemical pollution in isolation, overlooking their combined effects. This oversight creates a blind spot in understanding the full ...
BofA revised ratings on chemical stocks amid a diverse chemical end markets and changed risk/reward views after a 15% ...
To figure out what environmental changes may have caused a spike in ... routinely develop with it—peanut allergy and ...
Investing.com -- BofA revised ratings on chemical stocks amid a diverse chemical end markets and changed risk/reward views after a 15% sell-off in the sector in fourth quarter. Celanese (NYSE ...
Thanks to research in his lab, Buchholz has learned that several hormones interact to make changes in tadpoles. They found this out by trying to halt one chemical, but nothing changed.