Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical processes. In Chapter 5, students learned how the process of dissolving ...

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 ...

A new study has identified the significance of a new class of chemical reactions -- previously ignored -- involving three molecules that each participate in the breaking and forming of chemical bonds.