{"/e/sodium-compounds/sodium-hydroxide/": {"t": "Sodium hydroxide", "s": "Caustic soda: a strong base and nucleophile used in industry and chemistry education."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-compound/": {"t": "Chemical compound", "s": "Substance of multiple elements bonded in fixed proportions."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/acetic-acid/": {"t": "Acetic acid", "s": "The second simplest carboxylic acid, key to vinegar and industrial chemistry.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/acetic-acid.webp", "c": "Michael D. Turnbull · CC0"}, "https://codexery.com/textile-production/e/textile-production/textile/": {"t": "Textile", "s": "Fibre-based materials from clothing to geotextiles."}, "https://codexery.com/crystallography/e/crystallography/crystallization/": {"t": "Crystallization", "s": "Process forming ordered solids from solution, melt, or gas."}, "https://codexery.com/crystallography/e/crystallography/crystal-structure/": {"t": "Crystal structure", "s": "Ordered arrangement of particles in crystalline materials.", "i": "https://codexery.com/crystallography/img/crystallography/crystal-structure.webp", "c": "Biochemlife · CC BY-SA 4.0"}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/hydrogen-bond/": {"t": "Hydrogen bond", "s": "A partial-covalent molecular interaction between a protic hydrogen and an electronegative acceptor."}, "https://codexery.com/chemistry/e/chemistry/ester/": {"t": "Ester", "s": "Esters are organyl derivatives of acids with varied uses."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/inorganic-compound/": {"t": "Inorganic compound", "s": "A chemical compound that lacks carbon–hydrogen bonds, studied in inorganic chemistry."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-formula/": {"t": "Chemical formula", "s": "A notation showing atomic proportions in a compound.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-formula.webp", "c": "Dharmeshkumar Shah · CC BY-SA 4.0"}, "https://codexery.com/crystallography/e/crystallography/crystal-polymorphism/": {"t": "Crystal polymorphism", "s": "A compound can crystallize into more than one crystal structure.", "i": "https://codexery.com/crystallography/img/crystallography/crystal-polymorphism.webp", "c": "Perditax · CC0"}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nitrous-oxide/": {"t": "Nitrous oxide", "s": "A gas with medical, recreational, and industrial uses."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/hydrazine/": {"t": "Hydrazine", "s": "A versatile inorganic compound used in propellants, foams, and pharmaceuticals.", "i": "https://codexery.com/inorganic-compounds-materials/img/inorganic-compounds-and-materials/hydrazine.webp", "c": "Ben Mills · Public domain"}, "/e/sodium-compounds/sodium-nitrate/": {"t": "Sodium nitrate", "s": "Sodium nitrate: a versatile alkali metal nitrate salt used in fertilizers, explosives, food preservation, and thermal energy storage."}, "https://codexery.com/american-inventions/e/american-inventions/airbag/": {"t": "Airbag", "s": "A passive restraint that inflates during a collision to cushion occupants."}, "https://codexery.com/gunpowder/e/gunpowder/potassium-nitrate/": {"t": "Potassium nitrate", "s": "Key oxidizer in black powder and historic saltpetre."}, "https://codexery.com/reaction-mechanisms-and-kinetics/e/reaction-mechanisms-and-kinetics/organic-synthesis/": {"t": "Organic synthesis", "s": "Branch of chemical synthesis building organic compounds from simpler precursors."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/halide/": {"t": "Halide", "s": "Binary compounds of halogens with less electronegative elements.", "i": "https://codexery.com/inorganic-compounds-materials/img/inorganic-compounds-and-materials/halide.webp", "c": "Wikimedia Commons · Public domain"}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/amine/": {"t": "Amine", "s": "Organic compounds with carbon–nitrogen bonds derived from ammonia."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/lithium-aluminium-hydride/": {"t": "Lithium aluminium hydride", "s": "A powerful reducing agent used in organic synthesis."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/hydrogen-sulfide/": {"t": "Hydrogen sulfide", "s": "Colorless, toxic gas with a rotten-egg odor.", "i": "https://codexery.com/inorganic-compounds-materials/img/inorganic-compounds-and-materials/hydrogen-sulfide.webp", "c": "Jynto ( talk ) · CC0"}, "https://codexery.com/higher-level-taxonomy-evolution/e/higher-level-taxonomy-and-evolution/gram-negative-bacteria/": {"t": "Gram-negative bacteria", "s": "Bacteria with a thin cell wall and outer membrane, often antibiotic-resistant."}, "https://codexery.com/food-and-drink/e/food-and-drink/food-preservation/": {"t": "Food preservation", "s": "Methods to slow spoilage and reduce food waste."}, "https://codexery.com/fermentation/e/fermented-foods/pickling/": {"t": "Pickling", "s": "Preserving food through brine or vinegar, pickling extends shelf life and creates distinctive flavors."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/base-chemistry/": {"t": "Base (chemistry)", "s": "Substances that react with acids, accepting protons or donating electron pairs."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/benzene/": {"t": "Benzene", "s": "A foundational aromatic hydrocarbon with industrial and health significance."}, "/e/sodium-compounds/sodium-carbonate/": {"t": "Sodium carbonate", "s": "A versatile alkali used in glass, soap, and food."}, "https://codexery.com/food/e/food/vegetable/": {"t": "Vegetable", "s": "Edible plant parts, cultivated since early agriculture."}, "https://codexery.com/fruit-trees-berries/e/fruit-trees-and-berries/cranberry/": {"t": "Cranberry", "s": "Evergreen dwarf shrubs producing acidic red berries."}, "https://codexery.com/cuisine-and-condiments/e/cuisine-and-condiments/seafood/": {"t": "Seafood", "s": "Sea life harvested and consumed by humans since prehistory."}, "https://codexery.com/fermentation/e/fermented-foods/vinegar/": {"t": "Vinegar", "s": "Sour liquid used in cooking, cleaning, and medicine for millennia."}, "https://codexery.com/food-drink/e/food-and-drink/soft-drink/": {"t": "Soft drink", "s": "The bubbly, non-alcoholic refreshment that comes in countless flavors and names around the world."}, "https://codexery.com/cuisine-and-condiments/e/cuisine-and-condiments/juice/": {"t": "Juice", "s": "Liquid extracted from fruits and vegetables, consumed worldwide."}, "https://codexery.com/food-and-drink/e/food-and-drink/condiment/": {"t": "Condiment", "s": "Preparations added to food to enhance flavor or complement dishes."}, "https://codexery.com/baking/e/baking/baking-powder/": {"t": "Baking powder", "s": "The chemical leavener that revolutionized quick breads and baked goods."}, "https://codexery.com/bulgarian-cuisine/e/bulgarian-cuisine/soda-bread/": {"t": "Soda bread", "s": "A quick bread leavened with baking soda instead of yeast."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/acid-base-reaction/": {"t": "Acid–base reaction", "s": "A chemical reaction between an acid and a base.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/acid-base-reaction.webp", "c": "Damitr · CC BY-SA 4.0"}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/lactic-acid/": {"t": "Lactic acid", "s": "Organic acid central to metabolism, industry, and medicine."}, "https://codexery.com/cuisines/e/world-cuisines/chinese-cuisine/": {"t": "Chinese cuisine", "s": "A diverse culinary tradition shaped by geography, history, and global influence."}, "https://codexery.com/fruits-vegetables/e/fruits-and-vegetables/gai-lan/": {"t": "Gai lan", "s": "A leafy vegetable with thick stems and small florets."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/amphoterism/": {"t": "Amphoterism", "s": "Substances that can react as both acids and bases."}, "https://codexery.com/symptoms-and-sensations/e/symptoms-and-sensations/heartburn/": {"t": "Heartburn", "s": "A burning sensation behind the breastbone, often linked to acid reflux."}, "https://codexery.com/polymers-and-macromolecules/e/polymers-and-macromolecules/polyethylene-glycol/": {"t": "Polyethylene glycol", "s": "A versatile polyether used in medicine, industry, and preservation."}, "https://codexery.com/cardiovascular-blood/e/cardiovascular-and-blood/cardiopulmonary-resuscitation/": {"t": "Cardiopulmonary resuscitation", "s": "Emergency procedure combining chest compressions and ventilation to sustain life."}, "https://codexery.com/mass-poisonings/e/mass-poisonings/lead-poisoning/": {"t": "Lead poisoning", "s": "Lead poisoning causes permanent harm, especially in children."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/plutonium/": {"t": "Plutonium", "s": "Plutonium is the element with the highest atomic number known to occur in nature."}, "/e/sodium-compounds/sodium-bicarbonate/": {"t": "Sodium bicarbonate", "s": "A versatile compound used in cooking, medicine, and industry."}, "https://codexery.com/chemical-substances-and-materials/e/chemical-substances-and-materials/potash/": {"t": "Potash", "s": "Potash is a potassium salt used in fertilizer and industry."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/lye/": {"t": "Lye", "s": "Alkaline solutions used for cleaning, soap, food, and industry."}, "https://codexery.com/baking/e/baking/gluten/": {"t": "Gluten", "s": "Structural protein complex in grains, essential for dough elasticity."}, "https://codexery.com/cooking/e/cooking-techniques/maillard-reaction/": {"t": "Maillard reaction", "s": "Chemical reaction between amino acids and reducing sugars creating browned food flavors."}, "https://codexery.com/cuisines/e/world-cuisines/japanese-cuisine/": {"t": "Japanese cuisine", "s": "Traditional Japanese cuisine emphasizes seasonal ingredients and balance."}, "https://codexery.com/chinese-inventions/e/chinese-inventions/ramen/": {"t": "Ramen", "s": "Japanese noodle soup dish with Chinese origins and global reach."}, "https://codexery.com/chinese-noodles/e/chinese-noodles/lamian/": {"t": "Lamian", "s": "Hand-pulled Chinese noodle made by stretching and folding dough."}, "/e/sodium-compounds/sodium-dichromate/": {"t": "Sodium dichromate", "s": "A key industrial oxidant and chromium source, more soluble than its potassium counterpart."}, "https://codexery.com/cell-and-molecular-biology/e/cell-and-molecular-biology/red-blood-cell/": {"t": "Red blood cell", "s": "The most common blood cell, responsible for oxygen transport via hemoglobin.", "i": "https://codexery.com/cell-and-molecular-biology/img/cell-and-molecular-biology/red-blood-cell.webp", "c": "BruceBlaus. When using this image in external sources it can be cited as:\n\nBlausen.com staff (2014). \"Medical gallery of Blausen Medical 2014\". WikiJournal of M · via Wikipedia: Red blood cell · CC BY 3.0"}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/carboxylic-acid/": {"t": "Carboxylic acid", "s": "Polar organic acids with carboxyl group, widely occurring in nature."}, "https://codexery.com/carcinogenesis/e/carcinogenesis/carcinogen/": {"t": "Carcinogen", "s": "Agents that promote cancer development through DNA damage."}, "https://codexery.com/electrochemistry-and-surface-chemistry/e/electrochemistry-and-surface-chemistry/corrosion/": {"t": "Corrosion", "s": "Natural process converting refined metals into stable oxides.", "i": "https://codexery.com/electrochemistry-and-surface-chemistry/img/electrochemistry-and-surface-chemistry/corrosion.webp", "c": "Engr Hafiza Maida · CC BY-SA 4.0"}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/organic-chemistry/": {"t": "Organic chemistry", "s": "Study of carbon compounds, basis of life and industry."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/aldehyde/": {"t": "Aldehyde", "s": "An organic compound with a formyl group (R−CHO), featuring a polar carbonyl and diverse reactivity.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/aldehyde.webp", "c": "NEUROtiker · Public domain"}, "/e/sodium-compounds/sodium-sulfate/": {"t": "Sodium sulfate", "s": "A cheap, versatile salt used in detergents and paper pulping."}, "/e/sodium-compounds/sodium-thiosulfate/": {"t": "Sodium thiosulfate", "s": "Reducing agent used in medicine, photography, and water treatment."}, "https://codexery.com/electrochemistry-and-surface-chemistry/e/electrochemistry-and-surface-chemistry/chemical-decomposition/": {"t": "Chemical decomposition", "s": "Chemical decomposition breaks one reactant into multiple products.", "i": "https://codexery.com/electrochemistry-and-surface-chemistry/img/electrochemistry-and-surface-chemistry/chemical-decomposition.webp", "c": "Alice13281 · CC BY 4.0"}, "https://codexery.com/crystallography/e/crystallography/x-ray-crystallography/": {"t": "X-ray crystallography", "s": "Determines atomic structure via X-ray diffraction from crystals."}, "https://codexery.com/geology-earth-surface/e/geology-and-earth-surface/soil-science/": {"t": "Soil science", "s": "Study of soil as a natural resource and its management."}, "https://codexery.com/minerals-ore-deposits/e/minerals-and-ore-deposits/silicate-mineral/": {"t": "Silicate mineral", "s": "Silicate minerals form 90% of Earth's crust."}, "https://codexery.com/reaction-mechanisms-and-kinetics/e/reaction-mechanisms-and-kinetics/substitution-reaction/": {"t": "Substitution reaction", "s": "A reaction replacing one functional group with another."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/hydride/": {"t": "Hydride", "s": "Hydrides: from ionic salts to interstitial storage materials.", "i": "https://codexery.com/inorganic-compounds-materials/img/inorganic-compounds-and-materials/hydride.webp", "c": "CCoil ( talk ) · CC BY-SA 3.0"}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/lithium-hydride/": {"t": "Lithium hydride", "s": "The lightest ionic compound, lithium hydride is a salt-like hydride used in hydrogen storage, synthesis of complex hydrides, and nuclear applications."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/br-nsted-lowry-acid-base-theory/": {"t": "Brønsted–Lowry acid–base theory", "s": "Acids donate protons; bases accept protons."}, "https://codexery.com/reaction-mechanisms-and-kinetics/e/reaction-mechanisms-and-kinetics/sn2-reaction/": {"t": "SN2 reaction", "s": "Concerted nucleophilic substitution with inversion at carbon."}, "https://codexery.com/cell-and-molecular-biology/e/cell-and-molecular-biology/lipid/": {"t": "Lipid", "s": "Lipids are hydrophobic or amphiphilic organic compounds essential for life.", "i": "https://codexery.com/cell-and-molecular-biology/img/cell-and-molecular-biology/lipid.webp", "c": "User:Innerstream · CC BY 4.0"}, "https://codexery.com/thermodynamics-and-statistical-mechanics/e/thermodynamics-and-statistical-mechanics/temperature/": {"t": "Temperature", "s": "Temperature measures average particle kinetic energy and thermal energy distribution."}, "https://codexery.com/occupational-diseases/e/occupational-diseases/chemical-burn/": {"t": "Chemical burn", "s": "Tissue damage from corrosive or cytotoxic substances."}, "https://codexery.com/chemistry/e/chemistry/hydrochloric-acid/": {"t": "Hydrochloric acid", "s": "A strong acid essential in digestion, industry, and laboratory chemistry."}, "https://codexery.com/food-and-drink/e/food-and-drink/drinking-water/": {"t": "Drinking water", "s": "Water safe for ingestion, essential for health, scarce for billions."}, "https://codexery.com/chemistry/e/chemistry/ethanol/": {"t": "Ethanol", "s": "Organic compound, CNS depressant, active ingredient in alcoholic beverages."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/methanol/": {"t": "Methanol", "s": "Simplest alcohol, key industrial chemical, and space marker."}, "https://codexery.com/physical-chemistry-and-thermodynamics/e/physical-chemistry-and-thermodynamics/exothermic-reaction/": {"t": "Exothermic reaction", "s": "A reaction with negative standard enthalpy change, releasing heat."}, "https://codexery.com/classical-mechanics/e/classical-mechanics/viscosity/": {"t": "Viscosity", "s": "Viscosity quantifies a fluid's internal resistance to flow."}, "https://codexery.com/separation-and-purification-techniques/e/separation-and-purification-techniques/titration/": {"t": "Titration", "s": "A common laboratory method of quantitative chemical analysis to determine the concentration of an identified analyte."}, "https://codexery.com/energy-power/e/energy-and-power/petroleum/": {"t": "Petroleum", "s": "A fossil fuel central to modern industry and climate change."}, "https://codexery.com/chemistry/e/chemistry/electrolysis/": {"t": "Electrolysis", "s": "Breakdown via electricity: using direct current to drive non-spontaneous reactions."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/hypochlorous-acid/": {"t": "Hypochlorous acid", "s": "An inorganic acid used as a disinfectant and generated by white blood cells."}, "https://codexery.com/government-and-law/e/government-and-law/patent/": {"t": "Patent", "s": "A legal right excluding others from an invention for a limited time."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-equilibrium/": {"t": "Chemical equilibrium", "s": "State where forward and reverse reaction rates are equal."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nickel/": {"t": "Nickel", "s": "Silvery-white metal, ferromagnetic, key to stainless steel and batteries."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/iridium/": {"t": "Iridium", "s": "Iridium is a chemical element with the symbol Ir and atomic number 77."}, "https://codexery.com/crystallography/e/crystallography/space-group/": {"t": "Space group", "s": "Symmetry groups of repeating patterns in space."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/refractive-index/": {"t": "Refractive index", "s": "Ratio of light speed in vacuum to that in a medium."}, "https://codexery.com/crystallography/e/crystallography/electron-diffraction/": {"t": "Electron diffraction", "s": "Electron diffraction reveals atomic structure through wave-like scattering."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/palladium/": {"t": "Palladium", "s": "Rare platinum-group metal used in catalytic converters and jewelry."}, "https://codexery.com/reaction-mechanisms-and-kinetics/e/reaction-mechanisms-and-kinetics/redox/": {"t": "Redox", "s": "Chemical reactions where oxidation states change via electron or atom transfer."}, "/e/sodium-compounds/sodium-nitrite/": {"t": "Sodium nitrite", "s": "An inorganic compound used as a food additive, industrial chemical, and medication for cyanide poisoning."}, "https://codexery.com/fifa-world-cup/e/honours/bolivia/": {"t": "Bolivia", "s": "A landlocked South American nation with diverse geography and a rich indigenous heritage."}, "https://codexery.com/deserts-and-drylands/e/deserts-and-drylands/atacama-desert/": {"t": "Atacama Desert", "s": "One of the driest places on Earth, virtually devoid of life.", "i": "https://codexery.com/deserts-and-drylands/img/deserts-and-drylands/atacama-desert.webp", "c": "NASA · via Wikipedia: Atacama Desert · Public domain"}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/carl-bosch/": {"t": "Carl Bosch", "s": "German chemist and engineer, Nobel laureate, pioneer of high-pressure chemistry."}, "https://codexery.com/chemistry/e/chemistry/haber-process/": {"t": "Haber process", "s": "The main industrial procedure for ammonia production, converting atmospheric nitrogen and hydrogen using an iron catalyst.", "i": "https://codexery.com/chemistry/img/chemistry/haber-process.webp", "c": "Johannes Schneider · CC BY-SA 3.0 de"}, "https://codexery.com/modern-conflicts/e/modern-conflicts/world-war-i/": {"t": "World War I", "s": "Global conflict between Allies and Central Powers, 1914–1918."}, "https://codexery.com/chinese-inventions/e/chinese-inventions/gunpowder/": {"t": "Gunpowder", "s": "Earliest chemical explosive, used as propellant and blasting agent."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nitric-acid/": {"t": "Nitric acid", "s": "A highly corrosive mineral acid used in nitration and as a strong oxidizing agent."}, "https://codexery.com/thermodynamics-and-statistical-mechanics/e/thermodynamics-and-statistical-mechanics/heat-capacity/": {"t": "Heat capacity", "s": "Heat capacity measures heat needed to change an object's temperature."}, "https://codexery.com/power-generation/e/power-generation/concentrated-solar-power/": {"t": "Concentrated solar power", "s": "CSP uses mirrors to concentrate sunlight for heat and electricity.", "i": "https://codexery.com/power-generation/img/power-generation/concentrated-solar-power.webp", "c": "Martin Brown · Public domain"}, "https://codexery.com/minerals-and-gems/e/minerals-and-gems/magnetite/": {"t": "Magnetite", "s": "Most magnetic naturally occurring mineral, key to paleomagnetism and compasses."}, "https://codexery.com/physiology-medicine/e/physiology-and-medicine/alzheimer-s-disease/": {"t": "Alzheimer's disease", "s": "A progressive neurodegenerative disease and the most common cause of dementia."}, "https://codexery.com/infectious-causes-of-cancer/e/infectious-causes-of-cancer/stomach-cancer/": {"t": "Stomach cancer", "s": "A malignant tumor of the stomach lining, often diagnosed late."}, "https://codexery.com/common-diseases-disorders/e/common-diseases-and-disorders/colorectal-cancer/": {"t": "Colorectal cancer", "s": "A common cancer of the colon or rectum."}, "https://codexery.com/pathogenic-bacteria/e/pathogenic-bacteria/clostridium-botulinum/": {"t": "Clostridium botulinum", "s": "Anaerobic bacterium producing the most potent known neurotoxin."}, "https://codexery.com/ingredients/e/ingredients/salt/": {"t": "Salt", "s": "Essential mineral, ancient seasoning, and cornerstone of preservation."}, "https://codexery.com/croatian-cuisine/e/croatian-cuisine/pr-ut/": {"t": "Pršut", "s": "Across the Balkans, a cured ham called pršut is made in Serbia, Montenegro, Bosnia and Herzegovina, Slovenia, and Croatia."}, "https://codexery.com/infectious-agents-and-pathogens/e/infectious-agents-and-pathogens/salmonella/": {"t": "Salmonella", "s": "A genus of Gram-negative, rod-shaped bacteria that includes both typhoidal and nontyphoidal serotypes causing human disease."}, "https://codexery.com/pathogenic-bacteria/e/pathogenic-bacteria/escherichia-coli/": {"t": "Escherichia coli", "s": "A model bacterium central to microbiology and biotechnology."}, "https://codexery.com/toxic-effects-of-substances-chiefly/e/toxic-effects-of-substances-chiefly-nonmedicinal-as-to-sourc/cyanide-poisoning/": {"t": "Cyanide poisoning", "s": "Cyanide poisoning blocks cellular oxygen use, causing rapid collapse and death."}, "https://codexery.com/medical-emergencies/e/medical-emergencies/carbon-monoxide-poisoning/": {"t": "Carbon monoxide poisoning", "s": "A common, often fatal poisoning from colorless, odorless carbon monoxide gas."}, "https://codexery.com/pain/e/pain/headache/": {"t": "Headache", "s": "Pain in the head, face, or neck; often benign but sometimes serious."}, "https://codexery.com/organizations-associated-with-the/e/organizations-associated-with-the-covid-19-pandemic/world-health-organization/": {"t": "World Health Organization", "s": "UN agency coordinating global health responses and standards."}, "/e/sodium-compounds/sodium-azide/": {"t": "Sodium azide", "s": "Colorless salt used in airbags, highly toxic, and a precursor to other azides."}, "/e/sodium-compounds/sodium-peroxide/": {"t": "Sodium peroxide", "s": "Sodium peroxide: a strong base and oxidizing agent used in oxygen generation and mineral extraction."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-element/": {"t": "Chemical element", "s": "Fundamental species of atom defined by proton count."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/potassium/": {"t": "Potassium", "s": "Soft alkali metal essential to life and widely used in fertilizers."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/rubidium/": {"t": "Rubidium", "s": "The deep red alkali metal discovered by flame spectroscopy."}, "https://codexery.com/derelict-landers/e/derelict-landers/phoenix-spacecraft/": {"t": "Phoenix (spacecraft)", "s": "NASA's first polar Mars lander studied water ice and habitability."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/perchloric-acid/": {"t": "Perchloric acid", "s": "Strong mineral acid and oxidizer used in rocket propellant."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-kinetics/": {"t": "Chemical kinetics", "s": "The branch of physical chemistry concerned with understanding the rates of chemical reactions.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-kinetics.webp", "c": "Wikimedia Commons · Public domain"}, "https://codexery.com/physical-chemistry-and-thermodynamics/e/physical-chemistry-and-thermodynamics/chemical-thermodynamics/": {"t": "Chemical thermodynamics", "s": "Study of heat and work in chemical reactions and state changes."}, "https://codexery.com/electrochemistry-and-surface-chemistry/e/electrochemistry-and-surface-chemistry/coordination-complex/": {"t": "Coordination complex", "s": "Central metal ion bonded to surrounding ligands via coordinate bonds.", "i": "https://codexery.com/electrochemistry-and-surface-chemistry/img/electrochemistry-and-surface-chemistry/coordination-complex.webp", "c": "Erikvjohnstone · CC BY-SA 4.0"}, "https://codexery.com/cell-and-molecular-biology/e/cell-and-molecular-biology/molecular-biology/": {"t": "Molecular biology", "s": "Study of molecular structures and processes in cells."}, "/e/sodium-compounds/sodium-hypochlorite/": {"t": "Sodium hypochlorite", "s": "Alkaline compound used as bleach and disinfectant; household use became widespread in the early 20th century."}, "https://codexery.com/computing-software/e/computing-and-software/printed-circuit-board/": {"t": "Printed circuit board", "s": "Laminated board connecting electronic components via etched copper traces."}, "https://codexery.com/chemistry/e/chemistry/hydrogen-peroxide/": {"t": "Hydrogen peroxide", "s": "A reactive oxygen species used as an oxidizer and antiseptic."}, "/e/sodium-compounds/sodium-oxide/": {"t": "Sodium oxide", "s": "A white solid used in glassmaking and ceramics."}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/joseph-louis-gay-lussac/": {"t": "Joseph Louis Gay-Lussac", "s": "French chemist and physicist known for gas laws and alcohol measurement."}, "https://codexery.com/polymers-and-macromolecules/e/polymers-and-macromolecules/polymer/": {"t": "Polymer", "s": "Large molecules of repeating subunits essential to life and industry."}, "https://codexery.com/construction-materials/e/construction-and-materials/cement/": {"t": "Cement", "s": "Binder that sets, hardens, and binds other materials together.", "i": "https://codexery.com/construction-materials/img/construction-and-materials/cement.webp", "c": "Nnnjens · CC0"}, "https://codexery.com/chemical-reactors-and-processes/e/chemical-reactors-and-processes/desiccant/": {"t": "Desiccant", "s": "A hygroscopic substance that induces or sustains dryness."}, "https://codexery.com/chemical-reactors-and-processes/e/chemical-reactors-and-processes/chemical-reactor/": {"t": "Chemical reactor", "s": "Enclosed vessel where chemical reactions are carried out in process engineering.", "i": "https://codexery.com/chemical-reactors-and-processes/img/chemical-reactors-and-processes/chemical-reactor.webp", "c": "G YassineMrabet Talk ✉ · Public domain"}, "https://codexery.com/materials/e/materials/cardboard/": {"t": "Cardboard", "s": "A generic term for heavy paper-based products, from paperboard to corrugated fiberboard."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/phosphoric-acid/": {"t": "Phosphoric acid", "s": "A major industrial acid used primarily in fertilizers."}, "https://codexery.com/chemical-reactors-and-processes/e/chemical-reactors-and-processes/flocculation/": {"t": "Flocculation", "s": "Process of aggregating colloidal particles into larger clusters for separation."}, "https://codexery.com/manufacturing-and-materials/e/manufacturing-and-materials/sand-casting/": {"t": "Sand casting", "s": "Metal casting process using sand molds, widely used in foundries."}, "https://codexery.com/pioneers-of-medicine/e/pioneers-of-medicine/jan-baptist-van-helmont/": {"t": "Jan Baptist van Helmont", "s": "Chemist, physiologist, and physician from Brussels; coined 'gas'.", "i": "https://codexery.com/pioneers-of-medicine/img/pioneers-of-medicine/jan-baptist-van-helmont.webp", "c": "via Wikipedia: Jan Baptist van Helmont · see source"}, "https://codexery.com/economic-concepts-models/e/economic-concepts-and-models/commodity/": {"t": "Commodity", "s": "An economic good with substantial fungibility traded in global markets."}, "https://codexery.com/traditional-health-care-occupations/e/traditional-health-care-occupations/apothecary/": {"t": "Apothecary", "s": "Historical preparer and dispenser of medicines."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/lead/": {"t": "Lead", "s": "Heavy metal with stable isotopes and historical industrial use."}, "/e/sodium-compounds/sodium-sulfide/": {"t": "Sodium sulfide", "s": "Chemical compound used in kraft process and organic synthesis."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/acid-salt/": {"t": "Acid salt", "s": "Salts that yield acidic solutions, often via partial neutralization of polyprotic acids, but also including salts like ammonium chloride from full neutralizatio", "i": "https://codexery.com/acids-and-bases/img/acids-and-bases/acid-salt.webp", "c": "NadirSH · CC BY-SA 4.0"}, "https://codexery.com/fifa-world-cup/e/honours/spain/": {"t": "Spain", "s": "A country spanning the Iberian Peninsula, with a history from Roman Hispania to a modern constitutional monarchy."}, "https://codexery.com/chemical-substances-and-materials/e/chemical-substances-and-materials/naphthalene/": {"t": "Naphthalene", "s": "A fused-ring aromatic hydrocarbon used in mothballs and chemical synthesis.", "i": "https://codexery.com/chemical-substances-and-materials/img/chemical-substances-and-materials/naphthalene.webp", "c": "Unknown author · CC BY-SA 4.0"}, "https://codexery.com/particle-and-nuclear-physics/e/particle-and-nuclear-physics/proton/": {"t": "Proton", "s": "Proton: stable subatomic particle, building block of atomic nuclei."}, "https://codexery.com/manufacturing-and-materials/e/manufacturing-and-materials/photography/": {"t": "Photography", "s": "Drawing with light: capturing images through chemical or electronic means."}, "https://codexery.com/surgery-trauma/e/surgery-and-trauma/chemotherapy/": {"t": "Chemotherapy", "s": "Systemic cancer treatment using cytotoxic drugs to inhibit cell division."}, "https://codexery.com/common-diseases-disorders/e/common-diseases-and-disorders/hearing-loss/": {"t": "Hearing loss", "s": "Partial or total inability to hear, affecting billions worldwide."}, "https://codexery.com/manufacturing-and-materials/e/manufacturing-and-materials/photographic-film/": {"t": "Photographic film", "s": "Light-sensitive medium for capturing photographic images."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/iodine/": {"t": "Iodine", "s": "Heaviest stable halogen, essential for thyroid hormone synthesis."}}