Instructional Video0:54
Curated Video

Exothermic

6th - 12th
A chemical reaction or process that releases heat.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Instructional Video8:17
Professor Dave Explains

Regioselective Enolization and Thermodynamic vs. Kinetic Control

9th - Higher Ed
Using regioselective enolization to introduce the concept of thermodynamic vs. kinetic control.
Instructional Video6:27
Professor Dave Explains

Practice Problem: Hess's Law

9th - Higher Ed
If we want to find out some information regarding the enthalpy change of a reaction, but we don't want to perform the reaction, we can use Hess's law, which allows us to manipulate thermochemical data for related reactions. Let's...
Instructional Video4:41
Professor Dave Explains

Practice Problem: Calculating Free Energy Change

9th - Higher Ed
We know that the free energy change associated with a process will tell us whether it is spontaneous or not. And we also know that this depends on the change in enthalpy and the change in entropy for that process, as well as the...
Instructional Video
Khan Academy

Khan Academy: Hess's Law and Reaction Enthalpy Change

9th - 10th
Using Hess's Law and standard heats of formation to determine the enthalpy change for reactions. [15:40]