Holdet 1mn ke (2024/25) - Undervisningsbeskrivelse

Undervisningsbeskrivelse

Stamoplysninger til brug ved prøver til gymnasiale uddannelser
Termin(er) 2024/25
Institution Kolding Gymnasium
Fag og niveau Kemi -
Lærer(e) Morten Brejner Freitag
Hold 2024 ke/mn (1mn ke, 1mn ke øv.)
Oversigt over gennemførte undervisningsforløb
Titel 1 Chemical calculations
Titel 2 Covalent bonding and molecules
Titel 3 Acids and bases
Titel 4 Redox reactions
Titel 5 Organic chemistry

Beskrivelse af de enkelte undervisningsforløb (1 skema for hvert forløb)
Titel 1 Chemical calculations

The chemical language - formulas.
States of matter
Balancing chemical equations
Relative atomic/formula mass
The mole concept
2 important formulas: m=n*M and N=n*Na
Stoichiometric calculations (excess/limiting reagent and precentage yield)
Concentration c=n/V
Preparation of solutions with known concentration and dilution
Mass% and volume%

Experimental work:
Balloon experiment (J)
Preparing solutions with known concentration (J)
Indhold
Kernestof:
Omfang Estimeret: 10,00 moduler
Dækker over: 9 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer
Titel 2 Covalent bonding and molecules

Intro to covalent bonding (non-metals sharing electrons)
Basic rules for naming simple molecules
Drawing Lewis structures (electron dot diagrams)
Electronegativity (ability to attract shared electrons)
Determining bond polarity
Molecular structure (tetrahedral, trigonal pyramidal, angular, liniar) - intro VSEPR rules
Evaluating molecular polarity
Miscibility/solubility rules

Experimental:
Molecular model (J)
Polar and non-polar substances (J)
Energy exchange during reaction (J)



Indhold
Kernestof:
Omfang Estimeret: 14,00 moduler
Dækker over: 8 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer
Titel 4 Redox reactions

Definition of oxidation, reduction and redox reaction (old and new)
Ex. (metal reacting with non-metals and displacement reactions between 2 non-metals)
Redox pairs
Assigning oxidation numbers (rules)
Oxidizing and reducing agents
Investigating reactivity:
1) metals reacting with dioxygen
2) metals reacting with water
3) metals reacting with hydrochloric acid
4) metals reacting with metal oxides
5) metals reacting with metal ions
6) metal oxides reacting with carbon
The reactivity series
Simple electrochemical cells (voltaic cells and electrolytis cells)

Experimental work:
The reactivity series (J)
Batteries (D)
Metal can project (P)

Indhold
Kernestof:
Omfang Estimeret: 7,00 moduler
Dækker over: 14 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer
Titel 5 Organic chemistry

Introduction - C is the central element
The Carbon cycle
The fossil fuels (natural gas, coal, oil) - formation and extraction from the Earth crust/reservoirs
Refining oil (fractional destillation, cracking, reforming)
The alkanes (physical and chemical properties)
The alkenes (physical and chemical properties) - plastics

Experimental work:
Reactions of hydrocarbons (combustion, substitution and addition) (J)
Indhold
Kernestof:
Omfang Estimeret: 6,00 moduler
Dækker over: 5 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer