Hess's Law - Heats of Reaction
In this heat learning exercise, students use Hess's Law to determine the heat of the reactions given. Students determine final temperature for given chemical reactions. This learning exercise has 6 problems to solve.
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What Triggers a Chemical Reaction?
Chemical reactions are happening all around us every second of every day, but what exactly causes these changes to occur? Using easy-to-understand analogies, this video explains how the concepts of enthalpy and entropy determine the ways...
4 mins 9th - Higher Ed Science CCSS: Adaptable
Entropy & Free Energy
An understanding of chemical reactions really boils down to two concepts: entropy and enthalpy. Follow along with this instructional video as it explains how these two principles are used to calculate Gibbs free-energy which...
15 mins 9th - Higher Ed Science CCSS: Adaptable