{
  "annotation_id": "4f0273da-2c2b-44bf-a8e8-4c650e793170",
  "date_created": "2026-03-02T18:00:32.796000Z",
  "date_modified": "2026-03-02T18:00:32.796000Z",
  "file_hash": "e46e4e41486d53dd378066c28c326ad1b52ac9a91f938d9a25816f4bca6db03c",
  "private": false,
  "record": {
    "abstract": "In the previous papers of the author it has been shown that the 1st law of\nthermodynamics in chemical reactions is the following one: dU=dQ+PdV+SUM In the\npresent paper this theory was developed and it has been shown that the 1st law\nof thermodynamics in chemical reactions has the following form: dC=-dU+dA and\n-dU=dQ where dC is the change in the chemical energy, dU is the change in the\ninternal energy. Internal energy is the energy of thermal motion of molecules.",
    "arxiv_id": "physics/0011021",
    "authors": [
      "I. A. Stepanov"
    ],
    "categories": [
      "physics.gen-ph",
      "physics.chem-ph"
    ],
    "title": "The 1st Law of Thermodynamics in Chemical Reactions",
    "url": "https://arxiv.org/abs/physics/0011021"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "aefa7e92-8df2-48fa-bc79-346e4e370863",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}