{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.acid","code":"thing-q11158","url":"https://ver.cy/models/thing/q11158/","name":"acid","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A chemical species that donates protons under the Bronsted-Lowry definition or accepts electron pairs under the Lewis definition; under the Arrhenius definition, an acid increases the concentration of hydrogen ions in water, while acidic aqueous pH, sour taste and hydrogen release in reactions with metals are not universal properties across these definitions; acids range from strong mineral acids such as sulfuric and hydrochloric acid to weak organic acids such as acetic and citric acid.","purpose":"Let an agent explain what acids are under the main definitions, distinguish strong from weak and mineral from organic acids, relay safety, classification and handling rules, and route exposure incidents to emergency and poison services.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Proton donor or electron pair acceptor","Strength measured by dissociation","Corrosive at high concentration","Central to chemistry and biology"],"structure":{"bundles":[{"id":"concept","name":"Concept","description":"What an acid is.","layers":[{"id":"definitions","name":"Definitions","description":"Theories of acids.","findings":[{"id":"definitions-finding","name":"Definitions","description":"Definitions.","questions":[{"text":"How do the Arrhenius, Bronsted-Lowry and Lewis definitions describe acids?","kind":"definition"},{"text":"Is the question about a chemical acid or another sense of the word?","kind":"boundary"}]}]},{"id":"strength","name":"Strength","description":"Strength and pH.","findings":[{"id":"strength-finding","name":"Strength","description":"Strength.","questions":[{"text":"How are acid strength, pKa and pH related, and what is a strong acid?","kind":"definition"},{"text":"Which entry fits pH?","kind":"action"}]}]}]},{"id":"kinds","name":"Kinds","description":"Kinds of acid.","layers":[{"id":"inorganic","name":"Inorganic","description":"Mineral acids.","findings":[{"id":"inorganic-finding","name":"Inorganic","description":"Inorganic.","questions":[{"text":"What are the main mineral acids and their uses?","kind":"provenance"},{"text":"Which entry fits a specific acid?","kind":"action"}]}]},{"id":"organic","name":"Organic","description":"Organic and biological acids.","findings":[{"id":"organic-finding","name":"Organic","description":"Organic.","questions":[{"text":"What are the main organic and biological acids?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]},{"id":"safety","name":"Safety","description":"Handling and hazards.","layers":[{"id":"handling","name":"Handling","description":"Handling.","findings":[{"id":"handling-finding","name":"Handling","description":"Handling.","questions":[{"text":"What handling, storage and labelling rules apply to acids?","kind":"provenance"},{"text":"Is the user reporting an exposure or attack, which needs emergency services?","kind":"boundary"}]}]},{"id":"response","name":"Response","description":"First response.","findings":[{"id":"response-finding","name":"Response","description":"Response.","questions":[{"text":"What do poison control and safety bodies advise after acid exposure?","kind":"provenance"},{"text":"Which entry fits chemical burns?","kind":"action"}]}]}]},{"id":"learn","name":"Learn","description":"Chemistry and teaching.","layers":[{"id":"reactions","name":"Reactions","description":"Reactions.","findings":[{"id":"reactions-finding","name":"Reactions","description":"Reactions.","questions":[{"text":"How do acids react with bases, metals and carbonates?","kind":"definition"},{"text":"Which entry fits acid-base reactions?","kind":"action"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How are acids taught, and which misconceptions arise?","kind":"provenance"},{"text":"Which entry fits chemistry education?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain acid definitions, pH and the difference between strong and weak acids.","Relay safety data sheet guidance on storage, protective equipment and first aid.","Separate the chemical sense from other senses of the word."],"mustNot":["Assist in using acids to injure or disfigure people.","Advise mixing acids with other household chemicals.","Advise disposal of acids into drains or the environment against local rules.","Give guidance on obtaining corrosive acids outside lawful channels."],"requiresHuman":["Responding to an acid exposure or spill, which needs emergency services.","Decisions to store or dispose of strong acids."]},"ethics":{"considerations":["Acid attacks cause lifelong injury and are crimes in many jurisdictions.","Accidental exposure harms workers, children and bystanders."],"affectedParties":["Victims of acid attacks","Workers and households","Emergency responders"]},"owners":{"steward":"The holder of the chemical; chemical safety authorities regulate sale and use.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11173","type":"parent","note":"registry parent class"},{"target":"chemical compound","type":"related","note":"or species"},{"target":"base","type":"related","note":"the counterpart"},{"target":"salt","type":"related","note":"with bases"},{"target":"pH","type":"related","note":"the acidity scale"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.acid","Wikidata: Q11158 (https://www.wikidata.org/wiki/Q11158)","CAS number: per acid","GHS hazard classes: corrosive and others per acid and concentration"]},"properties":{"applicability":"required","items":["pH of strong acid solutions: 0-2 pH - concentrated","pKa range: about -10 to 16 pKa - from superacids to very weak acids"]},"recognition":{"applicability":"required","items":["pH below 7 in water","Reacts with bases and many metals","Bases are the counterpart; salts are the products","Not a single appearance; liquids, solids and gases in solution, from clear corrosive liquids to lemon juice."]},"capabilities":{"applicability":"required","items":["explain definitions and properties","classify acids by strength and type","relay safety and handling rules","route exposure incidents"]},"hazards":{"applicability":"required","items":["Burns and eye injury from corrosive acids","Toxic fumes from mixing acids with other chemicals","Acid attacks, addressed by law","Confusing senses of the word"]},"interfaces":{"applicability":"required","items":["GHS classification and labelling","Dangerous goods transport rules for corrosives","Occupational exposure limits","Food additive rules for edible acids"]},"context":{"applicability":"required","items":["Not for anything in itself; a class of chemical species used throughout industry, biology and daily life.","strong mineral acids such as sulfuric, hydrochloric and nitric","weak organic acids such as acetic and citric","Lewis acids","superacids","amino and fatty acids as biological acids","acids as a drug slang sense, unrelated"]}},"sources":[{"title":"Wikidata item Q11158: acid","url":"https://www.wikidata.org/wiki/Q11158","note":"identity and sense of the item"},{"title":"Wikipedia: Acid","url":"https://en.wikipedia.org/wiki/Acid","note":"general description of the item"}],"openQuestions":["Should each major acid be a separate entry?","How should safety data be linked?","How should the theories of acids be represented?"],"resources":{"spec":"/models/things/publications/thing-q11158/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q11158/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T21:24:54Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:25+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}