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Doc Brown's Chemistry - Alphabetical Index  P   

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z * 1st time user notes

P...

p block of Periodic Table : ADVANCED Group 3/13 : ADVANCED Group 4/14 : ADVANCED Group 5/15 : ADVANCED Group 6/16 : ADVANCED Group 7/17 The Halogens : ADVANCED Group 0/18 The Noble Gases :

paints : paints as an example of the science of formulation chemistry :

palladium, Pd : ADVANCED heterogeneous catalyst :

paper chromatography : AS-GCSE-KS3 paper/thin layer explained-examplesAS-GCSE paper/thin layer analysis-organic chemistry

paracetamol : GCSE extra organic chemistry

paraffin : GCSE oil fuel products

particle pictures : KS3-GCSE-AS gas/liquid/solid explainedGCSE-ADVAN(basic) rates of reaction-collision theory

particle size : GCSE-ADVAN(basic) rates of reaction factor - effect of solid reactant particle size

partition equilibrium : ADVANCED between two immiscible liquids, partition coefficient , calculations and uses :

Pauli exclusion principle : ADVANCED electron configurations :

Pauling electronegativity scale : see electronegativity

pentane (and pentanes) : ADVANCED homologous series : ADVANCED examples

pentanoic acid, CH3CH2CH2CH2COOH(l) : ADVANCED homologous series/functional groups : ADVANCED structure-names of carboxylic acid and derivatives

pentene : ADVANCED homologous series : ADVANCED examples

percentage (%) calculations - different contexts : GCSE-AS composition by mass-definition-examples of % elements in a compound-Quiz : GCSE-ADVAN(basic) % purity and % yieldADVANCED % error calculation example scribble :

perfumes : perfumes as an example of the science of formulation chemistry :

Period - horizontal row of elements in Periodic Table structure (see Periodic Table below too) : GCSE explanation-examplesADVANCED Period 2 survey Li to Ne : ADVANCED Period 3 survey Na to Ar : ADVANCED Survey of Period 4 elements :

Periodic Table : Full diagram : GCSE overview  - electronic basis/periods/groups/metals/non-metals/series/trends of elements/history : GCSE introductory task sheet (with links to more detailed topic notes): GCSE word-fill worksheet : GCSE-ADVAN(basic) electronic structure : GCSE history task sheet : GCSE structured Q's : GCSE m/c Quiz : ADVANCED Data on Gps 1, 2, 7, 0/8 and 3d-block Transition Metals : ADVANCED Data-Graphs for Periods 1-4

Periodicity of elements properties : Z = 1 to 20 periodicity plots * Z = 1 to 38 periodicity plots * Z = 1 to 96 plots * DATA

permanent dipole-induced dipole intermolecular forces : ADVANCED effect on vapour pressure and boiling point of organic compounds

permanent dipole-permanent dipole intermolecular forces : ADVANCED effect on vapour pressure and boiling point of organic compoundsADVANCED in protein-enzyme structure :

permanent hardness : GCSE-ADVAN(basic) water hardness

peroxodisulphate, sodium, Na2S2O8 : ADVANCED oxidation of iodide-kinetics

pesticides : pesticides as an example of the science of formulation chemistry :

petrol : GCSE oil fuel productsGCSE-AS fuel surveypetrol as an example of the science of formulation chemistry :

petroleum oil products : petroleum oil products as examples of the science of formulation chemistry :

pH acidity-alkalinity scale

pH sensitive polymers : Smart materials - pH SENSITIVE POLYMERS :

pharmaceutical products : pharmaceutical products as an example of the science of formulation chemistry :

pharmacophore : ADVANCED explained

phase equilibria ADVANCED effects of intermolecular forces on vapour pressure/boiling point of organic compounds explained : ADVANCED solute partition between two immiscible liquids :

phenolphthalein indicator : GCSE-ADVANCED pH-coloursADVANCED use in volumetric titrations :

phenol, C6H5OH : ADVANCED shape-bond angles

phenols : ADVANCED structure compared to alcoholADVANCED structure and namingADVANCED summary of functional group/homologous series structureADVANCED shape-bond angle phenols :

phosphine, PH3(g)GCSE-AS molecule-bonding : ADVANCED shape-bond angle

phosphoric(V) acid, H3PO4

phosphorus, P :

phosphorus(III) chloride (phosphorus trichloride), PCl3 : ADVANCED molecule shape, bond angle, dot & cross electronic diagram :

phosphorus(III) fluoride (phosphorus trifluoride), PF3 : ADVANCED molecule shape, bond angle, dot & cross electronic diagram :

photochromic materials : Smart materials PHOTOCHROMIC MATERIALS :

photography - film/paper : GCSE-ADVAN(basic) detecting radioactivityGCSE-ADVAN(basic) use of silver salts

photomechanical materials : Smart materials - PHOTOMECHANICAL MATERIALS :

photosynthesis : GCSE-AS as type of reaction : GCSE evolution of Earth's atmosphere

pH curves (eg for acid-alkali titrations): GCSE/IGCSE acid-alkali notes : ADVANCED theory notes on a variety of pH curves

pH scale/pH of...(acids-bases-alkalis-salts) : KS3 easy quiz : KS3-GCSE definition-scale : KS3-GCSE examples of pH of common substances : GCSE pH curves : GCSE-ADVAN(basic) acid-base theoryADVANCED detailed advanced theory notes and calculations (use sub-index 5. near top of page) : ADVANCED theory of acid-base indicators and pKind calculations and pH curves :

photosynthesis: GCSE Photosynthesis explained - factors affecting the rate - light, temperature & CO2 concentration

physical changes : GCSE-KS3 explained-examples : g-l-s state changes

physical chemistry : ADVANCED notes

physical properties of ... : GCSE-ADVAN(basic) ionic/covalent compounds

physics - KS3 : KS3 science quiz index : KS3 biology Q's : KS3 chemistry Q's : KS3 physics Q's

phytomining : GCSE extraction copper :

piezo-electric materials : Smart materials - PIEZO ELECTRIC EFFECT-MATERIALS :

pigments : 

pKa/pKbADVANCED detailed advanced theory notes and calculations (use sub-index 5. near top of page) :

pKind and indicator use : ADVANCED theory and examples explained (also use top sub-index) :

planar shaped molecules/ions : ADVANCED molecule shape, pictures, bond angles, ox diagrams

planets : GCSE a short 'rocks' note

planning : GCSE rates of reaction coursework

plasticisers: Use in PVC plastics

plastics - macromolecules/polymers  : GCSE formation-uses- products from oil : GCSE using polymers - problems and recycling plastics : GCSE extra organic man-made polymers : GCSE poly(ethene) : GCSE poly(propene) : GCSE poly(chloroethene) PVC : GCSE extra organic notes - natural polymers : GCSE-ADVAN(basic) bonding, structure and properties

plate tectonics - continental drift : GCSE Earth Science notes

platinum, Pt : GCSE-notes-transition metals  : GCSE lack of reactivity-metal series : Use in catalytic converter-car exhaust gases GCSE or ADVANCED : GCSE-ADVAN(basic) catalyst in making nitric acid : ADVANCED heterogeneous catalyst : ADVANCED cis-platin anti-cancer drug :

plutonium, Pu : ADVANCED nuclear fission process - nuclear energy - nuclear power :

poisonous/poisons (see also pollution) : hazard warning symbols

polar bonds : ADVANCED significance explained for organic reaction mechanismsADVANCED hydrogen bonds in protein-enzyme structure :

polarimeter : ADVANCED R-S stereoisomerism (optical isomerism/enantiomerism)

pollution : GCSE-ADVAN(basic) fertilisers : GCSE-ADVAN(basic) of air  - fossil fuel burning etc. : GCSE-ADVAN(basic) using/burning plastics : GCSE-ADVAN(basic) CFC's - ozone destruction

polonium, Po :

polyalkenes : GCSE Oil products : GCSE notes: Polymers-plastics : GCSE-ADVAN(basic) note on thermoplastic structureADVANCED formation-structure and naming :

polyamides  : GCSE extra organic chemistry - condensation type polymers : ADVANCED aromatic-structure-naming : ADVANCED organic-nitrogen-compounds-naming-structure : ADVANCED organic N containing compounds

poly(chloroethene), 'polyvinyl chloride, 'PVC')' : GCSE Oil Products-polymers : GCSE uses of chlorine : GCSE extra organic chemistry : GCSE-ADVAN(basic) comparing addition & condensation type polymers, thermoplastics, fibres and thermosets

polyester : GCSE-ADVAN(basic) condensation type polymer

poly(ethene) ,'polythene' : GCSE notes: Polymers-plastics

polymerisation : GCSE-AS as type of reaction : GCSE notes: Polymers-plastics :GCSE extra organic chemistry : GCSE-ADVAN(basic) condensation type polymers

polymers - macromolecules/plastics : GCSE polymers-formation-uses-products from oil : GCSE using plastics-problems : GCSE extra organic man-made polymers : GCSE poly(ethene) : GCSE poly(propene) : GCSE poly(chloroethene) PVC : GCSE extra organic notes - natural polymers : GCSE-ADVAN(basic) bonding, structure and properties : Smart materials - pH SENSITIVE POLYMERS : Materials science - High Performance Polymers : Smart materials SHAPE MEMORY POLYMERS : Smart materials - TEMPERATURE-RESPONSIVE POLYMERS :

polypeptides : GCSE extra organic chemistryADVANCED organic-nitrogen-compounds-naming-structure : ADVANCED protein-enzyme-structure-function-inhibition :

poly(propene), polypropene, 'polypropylene' : GCSE notes: Polymers-plastics : GCSE-ADVANCED(basic) addition type polymers : ADVANCED stereoregular-atactic/isotactic/syndiotactic forms

polysaccharide : GCSE structure-extra organic chemistry

poly(tetrafluoroethene), PTFE : GCSE notes: Polymers-plastics : Materials Science PTFE-TEFLON :

polyvinylchloride : see poly(chloroethene)

positional isomerism : ADVANCED detailed notes-examples of chain, positional, functional group isomerism and tautomerism :  : 

positive ... : GCSE-ADVAN(basic) anode electrode-electrolysis : GCSE-ADVAN(basic) atomic structure-proton : GCSE-ADVAN(basic) ions-ionic bonding

potassium and compounds, K, in  Group 1 The Alkali Metals: GCSE-data-properties-chemical reactions-uses : GCSE-reactivity-reactions involving oxygen/water/acids/displacement : GCSE-AS dating rocks K-40/Ar ratio : ADVANCED data : s-block/Gp2 detailed notes on elements/compounds : Qualitative flame test for potassium :

potassium chromate(VI), K2CrO4 : ADVAN-indicator used in estimation of chloride with silver nitrate :

potassium dichromate(VI), K2Cr2O7 : ADVANCED redox titration calculations : ADVANCED volumetric titration calculations for iron(II) ions : ADVANCED examples of oxidising action 6.5/6.12 : ADVANCED use in organic oxidative preparations :

potassium manganate(VII), KMnO4(s/aq) : ADVANCED examples of oxidising action examples 6.7/6.8/6.11/6.13 : ADVANCED volumetric titration calculations for ethanedioate (oxalate)/ethanedioc acid (oxalic acid)/hydrogen peroxide/sodium nitriteADVANCED use in organic oxidative preparations :

potassium oxide K2O(s) : GCSE-ADVAN(basic) bonding-structure-properties

potential : 

pottery glazing : GCSE coloured with transition metal compounds

praseodymium, Pr :

precipitation reactions : GCSE-KS3 explained-examplesGCSE-AS method of making insoluble salts

preparation of gases GCSE-AS methods of preparation and collection : see also tests for gases

preparation of salts : GCSE-AS example of preparation by neutralisation -general chemistry : GCSE-AS preparation by direct synthesis or precipitation

pressure : GCSE-ADVANCED gas calculations : ADVANCED Chemical equilibrium rules and Le Chatelier's Principle :

prevention of... : GCSE iron rusting

primary - classification of organic molecules (or protein structure) : ADVANCED explained : ADVANCED alcohols : ADVANCED halogenoalkanes : ADVANCED amidesADVANCED protein structureADVANCED aromatic amines-structure-naming : ADVANCED organic-nitrogen-compounds-naming-structure

primary, secondary and fuel cells/batteries : GCSE basic ideas sections 4. and 5. : ADVANCED notes - examples explained (also use top 7. sub-index) :

priority rules : ADVANCED - Cahn-Ingold-Prelog priority sequence rules for assigning names to stereoisomers e.g. E/Z (cis/trans) and R/S optical isomerism :

products : KS3-GCSE of a chemical reaction - examples explained

promethium, Pm :

propagation step : ADVANCED explained in organic free radical mechanismsADVANCED free radical chlorination/cracking reaction mechanisms :

propanal : ADVANCED intermolecular forces and boiling point of organic compounds

propane, C3H8(g)GCSE-AS molecule-bonding : GCSE-ADVAN(basic) oil-fractions-uses : GCSE alkanes-structure-uses : GCSE alkanes-extra organic chemistry : ADVANCED alkane structuresADVANCED shape-bond angles

propanes, substituted propanes : ADVANCED alkane structures and halogenoalkanes :

propanoic acid, CH3CH2COOH(l/aq) : ADVANCED homologous series/functional groups : ADVANCED structure-names of carboxylic acid and derivatives

propanol : ADVANCED intermolecular forces and boiling point of organic compounds

propanone : ADVANCED structure : ADVANCED iodination-kinetics-mechanism : ADVANCED intermolecular forces and boiling point of organic compounds :  

propene, C3H6(g)GCSE-AS molecule-bonding : ADVANCED shape-bond angles : GCSE-ADVAN(basic) made from oil fractions by cracking : GCSE alkenes-structure-reactions-uses : GCSE alkenes-extra organic chemistry

properties of... : KS3-GCSE-ADVAN(basic) gases, liquids and solids : GCSE-AS gas preparations and collectionsGCSE gas-liquid-solid m/c Quiz : KS3-GCSE-ADVANCED identity tests for ???GCSE Group 1 Alkali metals : GCSE Group 7 Halogens : GCSE Noble gases : GCSE Transition metals : GCSE Acids and Alkalis : GCSE metals-reactivity series : GCSE-ADVAN(basic) simple covalent molecules : GCSE-ADVAN(basic) ionic compounds : GCSE-ADVAN(basic) giant covalent networks/structures : GCSE-ADVAN(basic) polymers 1-3D ideasGCSE-ADVAN(basic) metals-alloys : ADVANCED s-block Groups 1-2 detailed notes 

propylamine : ADVANCED intermolecular forces and boiling point of organic compounds

propylene : see propene 

propyne, C3H4 : ADVANCED shape-bond angles :

protactinium, Pa :

protease - enzyme use : GCSE use of enzymes

proteins : GCSE extra organic chemistryADVANCED structure and bonding including enzyme-structure-function-inhibition : ADVANCED Protein analysis and synthesis :

proton : GCSE-AS properties - atomic structure

proton/atomic number : GCSE-AS definition, atomic structure : GCSE-ADVAN(basic) structure of Periodic Table

protonation : ADVANCED in organic mechanisms

pure : GCSE-KS3 explained-examples

purity, % : ADVANCED from volumetric titrations and another example of % assay of aspirin

purification : KS3-GCSE explained-examplesGCSE-AS of copper by electrolysis

PTFE : See poly(tetrafluoroethene) above

PVC : see polyvinylchloride/poly(chloroethene)

pyramidal shaped molecules/ions : ADVANCED molecule shape, pictures, bond angles, ox diagrams

 


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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z * 1st time user notes

 


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