Paul Andersen explains how the enthalpy of a reaction can be released in an exothermic or consumed in an endothermic reaction. According to Hess's law if the reaction is reversed the sign of the enthalpy of reaction is also reversed. Check out the video, concept map and slideshow. [8:03]

Concepts

enthalpy of reaction, enthalpy

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Additional Tags

bozeman science, paul andersen

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)