6.5 Enthalpy of Formation | High School Chemistry

Chad begins this lesson by working 2 examples of how to use enthalpies of formation to calculate the Delta H of a reaction. He then shows the definition of a formation reaction, how to identify a formation reaction, and why an element in its standard state has an enthalpy of formation of zero. He then goes over the different allotropes of carbon revealing the solid graphite is the standard state of carbon.

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00:00 Lesson Introduction
01:05 How to Calculate Delta H using Enthalpies of Formation
07:03 Formation Reactions
10:41 How to Identify Formation Reactions

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