Homogeneous & Heterogeneous Catalysis Catalysts?increase the rate of reaction by providing an alternative pathway which has a lower?activation energy Catalysts can be either?homogeneous?or?hete...
Effect of Temperature on the Rate Constant At higher temperatures, a greater proportion of molecules have energy greater than than the activation energy Since the?rate constant?and?rate of reaction...
Kinetics of Multi-Step Reactions The?reaction?mechanism?of a reaction describes how many steps are involved in the?making?and?breaking?of bonds during a chemical reaction It is the slowest step in ...
Calculating the Rate Constant The?rate?constant?(k) of a reaction can be calculated using: The?initial?rates?and the rate equation The?half-life Calculating the rate constant from the initial rate ...
First Order Reaction Half-life The?half-life?of a?first-order?reaction is?independent?of the concentration of reactants This means that despite the?concentrations of the reactants decreasing?during...
Kinetics: Calculations Order of reaction The?order of reaction?shows how the concentration of a reactant affects the rate of reaction Rate =?k?[A]m?[B]n When m or n is zero = the concentration of t...
Kinetics: Basics The?rate of reaction?refers to the change in the amount or concentration of a reactant or product per unit time and can be found by: Measuring the?decrease in the concentration of ...
Partition Coefficient & Calculations The?partition coefficient (Kpc)?is the ratio of the concentrations of a?solute?in two different immiscible solvents in contact with each other when equilibr...
Solubility Product & the Common Ion Effect A?saturated solution?is a solution that contains the?maximum?amount of dissolved salt If a second compound, which has an ion?in common?with the dissol...
