Unit 2: Molecular interactions and reactions Chemistry
In this unit, students develop their understanding of the physical and chemical properties of materials including gases, water and aqueous solutions, acids and bases. Students explore the characteristic properties of water that make it essential for physical, …
Unit 2 | Chemistry | Science | Senior secondary curriculum
ACSCH045
Select, construct and use appropriate representations, including physical and graphical models of molecules, energy profile diagrams, electron dot diagrams, ionic formulae, chemical formulae, chemical equations and phase descriptors for chemical species …
ACSCH045 | Content Descriptions | Unit 2 | Chemistry | Science | Senior secondary curriculum
ACSCH070
Collision theory can be used to explain and predict the effect of concentration, temperature, pressure and surface area on the rate of chemical reactions by considering the structure of the reactants and the energy of particles
ACSCH070 | Content Descriptions | Unit 2 | Chemistry | Science | Senior secondary curriculum
ACSCH071
The activation energy is the minimum energy required for a chemical reaction to occur and is related to the strength of the existing chemical bonds; the magnitude of the activation energy influences the rate of a chemical reaction
ACSCH071 | Content Descriptions | Unit 2 | Chemistry | Science | Senior secondary curriculum
ACSCH072
Energy profile diagrams can be used to represent the enthalpy changes and activation energy associated with a chemical reaction
ACSCH072 | Content Descriptions | Unit 2 | Chemistry | Science | Senior secondary curriculum
ACSCH073
Catalysts, including enzymes and metal nanoparticles, affect the rate of certain reactions by providing an alternative reaction pathway with a reduced activation energy, hence increasing the proportion of collisions that lead to a chemical change
ACSCH073 | Content Descriptions | Unit 2 | Chemistry | Science | Senior secondary curriculum