Zusammenfassung der Ressource
chemistry
- chemical calculations
- relative mass
- molar mass
- n=m/M
- moles/mass of elements in compounds
- % composition
- empirical formulae and molecular formulae
- equation stoichiometry
- atoms and elements
- atomic structure
- atomic mass
- periodic table
- electron configuration
- trends
- valence shell occupancy
- atomic radius
- ionisation energy
- electronegativity
- spectroscopy
- spectra of gaseous elements by electron transitions
- emission spectroscopy; electromagnetic spectrum
- absorption spectroscopy
- mass spectroscopy; cyclotron radius r = mv/qB (qualitative)
- classifying matter
- physical and chemical changes
- separating mixtures
- nanotechnology
- separating mixtures
- requirements
- planning
- experiment
- validation preparation
- bonding
- valency
- metallic bonding
- ionic bonding and naming ionic compounds; common ions
- covalent bonding
- electron sharing
- Lewis diagrams and structural formulae
- • covalent molecular and covalent networks
- Hydrocarbons
- alkanes and nomenclature
- alkenes and nomenclature
- benzene: structure and properties
- combustion reactions
- Chemical Reactions
- types of reaction
- activity of metals
- enthalpy and energy diagrams
- specific heat and unit J kg-1 K-1
- using Q=mcΔT
- Aqueous Solutions
- Solubility Rules
- predicting precipitates
- Chromatography
- Concentration Calculations
- c = n/V and mol L-1
- dilutions
- stoichiometry based on precipitation masses
- Acids and Bases and pH
- definitions
- proton transfer reactions
- pH
- neutralisation
- pH calculations of acid-base reactions
- typical acid reactions
- identifying unknown ions in solution
- Gases
- composition of air
- gas pressure units
- Kinetic Theory of Gases
- energy distribution diagram
- temperature
- Gas Laws
- STP
- Boyle’s and Charles’ Laws
- combined gas law
- Molar Volumes and Universal Gas Equation
- general gas equation PV=nRT
- gas stoichiometry
- History of Atomic Models
- Reaction Rate and Collision Theory
- measuring reaction rate
- Collision Theory
- energy profile diagrams
- activation energy and ΔH
- Factors Affecting Rate
- nature of reactants
- concentration
- state of subdivision
- temperature
- catalysts