# 7.17.1.34.1. Chemistry

Syntax

  Source For Porous Enthalpy ([{of} SpeciesName] | [{in} MaterialPhaseName] | [{ls} {a | b | c}]) {@ | at | for | on | over} MeshPartIdentifier = Chemistry Mechanism = mechanism

Summary

  Source term for mass-based general chemistry specification

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
MeshPartIdentifier | string | –
mechanism | “string” | –