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Consistent Estimation of Gibbs Energy Using Component Contributions

Figure 3

A diagram illustrating how the component contribution method projects the stoichiometric vector onto the different spaces.

(A) The reaction vector is decomposed into the two components and , where the reactant contribution and group contribution methods are used for the relevant components. Later, is decomposed into and . The same projection is shown graphically in (B) where the green plane represents the range of and the normal to that plane represents the null space of . (C) An example for a reaction which decomposes into two non-zero components. In this case, the component is equal to , which means that the reaction is covered by the component contribution method.

Figure 3

doi: https://doi.org/10.1371/journal.pcbi.1003098.g003