Sivukartta Sulje Reactivity 2. How much, how fast and how far? Reactivity 2.2 How much? Reactivity 2.2 Rate of reaction & collision theory HL Reactivity 2.2.6-2.2.13 Reaction mechanisms, Rate equations, Rate constant, Arrhenius equation Reactivity 2.3: How far? The extent of chemical change The Extent of chemical change (HL)