Activity

{
  "id": "MLC-T-MET-003280",
  "term": "Activity",
  "field": "Meteorology and atmospheric science",
  "definition": "A thermodynamic measure of the effective concentration of a substance in a mixture, accounting for non-ideal behavior due to intermolecular interactions. It represents the chemical potential of a component relative to its standard state. For ideal solutions, the activity is equal to the mole fraction or concentration of the substance.",
  "url": "https://mlchart.com/terminology/meteorology/activity/"
}