School Science Lessons
Chemistry index and minerals O
2012-05-19 SP
Please send comments to: J.Elfick@uq.edu.au
Table of contents
| 1,2,3 | A | B | C | DEF | GH | IJK | L | M | N | O | P | QR | S | T to Z |
Index items O
[O] = oxygen from an oxidizing agent, in organic chemistry equations
Obsidian: 35.21.5.1 (Geology)
Octadecan-1-ol
Octadecanoic acid, stearic acid
Octane, C8H18, n-octane, colourless, normal octane, Harmful, stable but highly flammable: 13.1.28
Octanoic acid, caprylic acid
Octanol
Octinol, 3,5-dihydroxytoluene
Oil, oils, (different oils, e.g. coconut oil)
Ointment, Solutions used in making herbal remedies, infusion, decoction, tincture: 5.04
Oleic acid
Oleum, fuming sulfuric acid
Olive oil, Composition of edible oils: 19.2.1.1.1
Olivine group, (Mg Fe)2SiO4
Omega-3 fatty acids, ω-3 fatty acids: 19.2.1.8
Onyx, SiO2, Chalcedony: 35.14.4 (Geology)
Opal, SiO2.nH2O, Opal valuation: 35.14.2 (Geology)
Opresol (preserving fluid)
Optical bleaches, optical whites, fluorescers, synthetic detergents, (syndets): 12.12.03.3a
Optical devices, (low-cost): 28.11.0
Oral contraceptives: 10.7.8
Orange IV, (acid-base indicator, 1.3), orange G, acid orange, tropaeolin 00, Microscopy stain: 3.21
Orcein, orceine, ethanoic acetic, aceto orcein, la cour, orcein acetic, orcin, Gurr's synthetic orcein, natural orcein, powder
Orcene acetic 100 mL, orcene acetic - glacial acetic acid 100 mL
Orcinol 3,5-dihydroxytoluene, 5-methyl resorcinol
Ore, separate metals by reduction of metal oxides, ores: 10.10.0
Ores and ore bodies: 35.3.0 (Geology)
Organic acids and alcohols, Tests for: 16.4.1.0
Organic compounds, Tests for: 16.4.5.0
Organic builders, (synthetic detergents, syndets): 12.12.03.2b
Organic chemicals, Store organic chemicals: 6.0.
Organic chemistry (definition), Pure substances and impure substances, elements and compounds: 7.2.0
Organic chemistry, preparing different compounds: 16.1.0
Organic chemistry terms: 16.11.0
Organic liquid residues: 3.5
Organic compounds, Elements and compounds: 7.2.2
Organic compounds: Descriptions of common elements: 7.2.2.1
Organic peroxides: 4.15
Organic substances, Chemical changes, heat organic substances: 7.1.2
Organochlorine insecticides, organochlorides, chlorinated hydrocarbons: 16.13.3.0
Organophosphate and carbamate insecticides: 16.13.4.0
Organometal compounds, (prefixing the metal with organo-): 16.2.3
Orlon polymer, orlon synthetic fibre, polyacrylic, Fibre from polyacrylonitrile: 3.7.5
Ortho-hydroxybenzoic acid, Salicyclic acid
Orthoclase feldspar, potassium feldspar, KAlSi3O8
Orthophosphoric acid
Oscillating reaction, potassium bromate with propanedioic acid, double autocatalytic reaction: 17.3.7
Osmium, Os, Table of the elements, used in jewellery plating
Osmium tetroxide, OsO4, osmic acid, osmium oxide, osmium (VIII) oxide, solid, unpleasant odour, Extremely toxic, Not permitted in schools
Osmosis, imbibition: 9.14.0
Osteoarthritis: 9.230.1
OTO, ortho-tolidine (4,4'-diamino-3,3'-dimethylbiphenyl), DPD, tests for swimming pools: 18.7.21.5
Oudeman's fluid, insect fixing fluid: 4.11
Oxacillin
Oxalates, hazards: 3.7.11
Oxalic acid, C2H2O4.2H2O, ethanedioic acid
Oxidants, List of oxidants: 1.20
Oxidation, in a cell, oxidation at the anode and reduction occurs at the cathode
Oxidation and reduction, redox reactions
Oxidation reactions (organic chemistry): 16.1.03
Oxides, Reactions of oxides: 12.17.0
Oxidizing agents
Oxidizing gases: 4.4
Oxidizing, Hazard classifications: 15.1.0
Oxidizing liquids: 4.13
Oxidizing solids: 4.14
Oximes, (hydrox- imino- alkanes), (group: C:NOH): 16.2.4.6
Oxonium ion, (hydronium ion, hydroxonium ion)
Oxyacetylene welding, Tests for gases from burning hydrocarbons: 16.4.6
Oxycodone: 11.11.9
OXD: can react with substances to produce great heat.
Oxygen experiments, hydrogen peroxide: 12.12.0
Oxygen gas, O2: 13.1.29
Oxymuriatic acid, former name for hydrochloric acid or chlorine in solution, also dephlogistonated marine acid!
Oxytetracycline hydrochloride
Ozone, O3, Highly toxic gas with pungent odour: 13.1.31
Octane, (C8H18), octane number: 16.1.1h
iso-Octane
n-Octane
Cracking: 7.9.15.1
Octane, octene, octane number: See diagram 16.1.1h
Octane, tetraethyl lead, lead tetra-ethyl: 7.2.2.23b
Spark plug operating temperature, pre-ignition: 32.5.5.5.1
Odour, chemical vapours and smelling chemicals: 3.4.8
Oil, oils, (different oils, e.g. coconut oil) (olive oil, Latin: oleum)
Almond oil
Aniline oil
Camphor oil, Prepare camphor oil: 19.6.7
Clove oil, eugenol, oil of cloves, contains eugenol, caryophyllene, (used in dentistry).
Coconut oil: 19.2.1.11
Coconut oil: Fatty acids in coconut oil and other oils: 15.1
Composition of edible oils: 19.2.1.1.1
Crude oil, Fractional distillation of crude oil: 16.1.12
Edible oils, Composition of edible oils: 19.2.1.1.1
Essential oils, volatile oils, ethereal oils: 16.3.3.0.3
Eucalyptus oil
Evening primrose oil
Fixed oils: 16.3.3.0.2
Goanna oil, from goanna fat, lizard-like Varanus sp, protected in Australia (lubricant, liniment, arthritis, muscle soreness)
Lavender oil
Lemon oil
Linseed oil
Neatsfoot oil
Nut oil, Solvent extraction of oil from nuts: 3.23
Oil molecule, Size of an oil molecule in floating oil: 3.3.2
Oil of cloves, (for microscopy), eugenol, steam distillation: 10.5.6
Oil of cloves solutions are recommedded for removong fungus infections from households.
Oil of vitriol, sulfuric acid, Harmful, Corrosive: 12.18.5
Oil of wintergreen, methyl salicyclate
Oil shale and fracking (hydraulic fracturing): 35.23.4.1 (Geology)
Paraffin oil, kerosene
Peanut oil, Extract oil from peanuts, ground nuts: 10.12.1
Pear oil, Prepare amyl acetate, (pear oil): 16.5.6
Pennyroyal oil
Petroleum jelly, (trade name), petrolatum, "Vaseline", white paraffin
Petroleum, composition of petroleum: 10.6.3
Petroleum, crude oil, lubricating oil: 35.23.4 (Geology)
Red oil, oleic acid, cis octadec-9-enoic acid, C17H33.COOH, cis-9-octadecanoic acid
Salad oil, an edible vegetable oil that might be used in a salad, e.g. corn oil, olive oil, might be used in a salad dressing
Solutions used in making herbal remedies, infusion, decoction, tincture: 5.04
Tea tree oil
Tests for fats and oils: 9.137
Tung oil
Vanilla oil
Vegetable oil, Prepare soap with vegetable oils: 12.12.2
Oil of wintergreen, methyl salicyclate, strong characteristic odour
Gaultheria procumbens (sweet birch tree), wintergreen, oil of wintergreen, snow berry, tea berry, checkerberry, aromatic wintergreen, gaultheria oil, Ericaceae
Prepare methyl salicylate, (oil of wintergreen): 16.5.5
Salicylate intolerance: 19.4.2.2.1
Aspirin and analgesics, paracetamol, acetaminophen (Panadol, Tylenol): 11.11.6
Oleic acid, CH3(CH2)7CH=CH(CH2)7COOH
Oleic acid, cis-octadec-9-enoic acid, cis-09-octodecanoic acid, mono-unsaturated fatty acid
Fats in your food: 19.2.1.0
Fats in animals and plants: 19.2.1.1 (See 4.)
Size of a molecule: 3.57
Soaps and synthetic detergents, "syndets": 12.12.0
See diagram 19.2.1: Oleic acid, stearic acid, linoleic acid, (cis and trans)
Oxalic acid, H2C2O4, ethanedioic acid, (COOH)2, Toxic if ingested
Oxalic acid dihydrate, oxalic acid hydrated, ethanedioic acid-2-water, C2H4H2.2H2O
Oxalic acid, Solution < 5%, Not hazardous,
(Oxalic acid is used to standardize sodium hydroxide solution.)
Oxalic acid with concentrated sulfuric acid forms carbon monoxide.
Oxalates hazards: 3.7.11
Decomposition of oxalic acid (thermal decomposition): 3.30.10
Prepare ethanedioic acid-2-water (oxalic acid) ionization reaction: 16.4.3
Prepare solutions of known concentration: 5.4.0
Tests for antimonates, borates, oxalates: 12.11.5.2a
Tests for oxalates: 12.11.5.14
Oxidation and reduction, redox reactions: 15.2.0
Oxidation, air pressure: 15.3.8
Oxidation of glucose with sodium hydroxide and methylene blue, blue bottle experiment: 16.3.7.2
Catalytic oxidation of ammonia forms nitrogen monoxide, with red-hot platinum wire: 13.6.6.1
Catalytic oxidation of ammonia, with chromium (III) oxide catalyst: 13.6.6.2
Disproportionation: 12.2.6.1
Oxides, O2-
Carbon dioxide, CO2: 3.34.0
Carbon dioxide, Prepare carbon dioxide: 3.34.1
Carbon monoxide, CO: 13.1.5
Heat oxides: 8.3.2
Nitrogen dioxide, NO2, nitrogen (IV) oxide, dinitrogen tetroxide: 13.1.23
Nitrogen monoxide, (nitric oxide), NO: 13.1.25
Nitrogen oxides, Acid rain and nitrogen oxides, NOx: 13.1.26
Nitrous oxide, (dinitrogen monoxide), N2O: 13.1.27
Oxides, thermal decomposition: 3.30.5
Prepare oxides by direct oxidation: 12.12.1
Prepare oxides by indirect oxidation: 12.12.2
Peroxides, hazards: 3.7.13
Reactions of oxides: 12.17.0
 Reduce iron (III) chloride with sulfur dioxide: 3.51.3
Separate metals by reduction of metal oxides, ores: 10.10.0
Sulfur dioxide, SO2, Toxic, Corrosive, severe respiratory irritant
Oxidizing agents
Bromine as an oxidizing agent: 15.2.2.1
Chlorine as an oxidizing agent: 15.2.2
Concentrated nitric acid as an oxidizing agent: 15.2.5
Hydrogen peroxide as an oxidizing agent: 15.2.7
Nitrous acid as an oxidizing agent or a reducing agent: 15.2.5.1
Oxidize iron (II) sulfate to iron (III) sulfate, (ferric sulfate): 12.1.3
Oxygen as an oxidizing agent: 15.2.1
Potassium chlorate and potassium persulfate as oxidizing agents: 15.2.13
Potassium dichromate as an oxidizing agent: 15.2.3
Store oxidizing agents: 7.0.
Sulfuric acid as an oxidizing agent: 15.2.6
Tests for oxidizing agents by change in colour of iron (II) to iron (III): 15.2.8
Tests for oxidizing agents by change of colour of iron and copper (II) sulfate: 15.2.9
Tests for oxidizing agents by change of colour of zinc and copper (II) sulfate: 15.2.10
13.1.31 Ozone, O3 (ozone, Greek: ozein, to smell)
Ozone, O3, Highly toxic gas with pungent odour
Prepare ozone: 3.50
Properties of ozone: 3.50
Ozone and photochemical smog: 3.50.1
Composition of the atmosphere and greenhouse gases: 3.32.1 (See 5.)