Video from Chad's Prep on YouTube

1.2.2 Define Gibbs free energy, calculate ΔG and ΔG°′ and predict whether a reaction is spontaneous, including the effect of coupling reactions.

The part on this line: 0:25–24:43

Why this video

This most directly teaches calculation of actual ΔG from ΔG° and Q, the ΔG°–K relationship, and how Q relative to K predicts spontaneity.

Heads up

It uses the general-chemistry notation ΔG° and K rather than the course’s biochemical ΔG°′ and K′eq, and it does not cover reaction coupling.

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