Pressure

{
  "id": "MLC-T-CHM-009408",
  "term": "Pressure",
  "field": "Chemistry",
  "definition": "The force exerted perpendicularly per unit area on a surface. In chemistry, it is a fundamental thermodynamic property of gases and liquids, influencing reaction rates and phase equilibria. The SI unit for pressure is the pascal (Pa), equivalent to one newton per square meter (N/m²).",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "amount fraction",
    "constituent"
  ],
  "references": [
    "Green Book, 2nd ed., p. 12 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)",
    "PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 987 (https://doi.org/10.1351/pac199668040957)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/pressure/"
}