AS and A2 Chemistry notes and resources (WJEC specification) - UNIT CH1
Controlling and Using Chemical Changes (in order to make things, produce energy and solve environmental problems)
This unit begins with some important fundamental ideas about atoms and the use of the mole concept in calculations. Three key principles governing chemical change are then studied, viz., the position of equilibrium between reactants and products, the energy changes associated with a chemical reaction and the rate at which reactions take place. These principles are then applied to some important problems in the fields of chemical synthesis, obtaining energy and the maintenance of the environment.
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