Change of a quantity

{
  "id": "MLC-T-CHM-001867",
  "term": "Change of a quantity",
  "field": "Chemistry",
  "definition": "The difference between the final and initial values of a specific measurable property over a given period or process. This value indicates the net alteration in the quantity. It is calculated as the final value minus the initial value and can be positive, negative, or zero.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "amount of substance"
  ],
  "references": [
    "PAC, 1992, 64, 1569. 'Quantities and units for metabolic processes as a function of time (IUPAC Recommendations 1992)' on page 1571 (https://doi.org/10.1351/pac199264101569)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/change-of-a-quantity/"
}