Okay, after a long, long gap (on the blogosphere timescale) and/or almost zero elapsed time (by scientific literature standards), we're going to attempt to wrap up this mini-series on heat capacity effects in biology. Parts 1 and 2 are here and here, respectively.
So: How do you know if your reaction has a heat capacity change? Actually, it's easy: collect data as a function of temperature and make a van't Hoff plot (ln 1/Keq versus ln 1/temperture) or a Gibbs-Helmholtz plot (ÎG versus temperature) - if either plot is not-linear your reaction has a ÎCp.
This figure shows Gibbs-Helmholtz…
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