Chapter 15 Kinetics
DEFINE:
- Rate of a reaction in terms of rate of loss of reactants or rate of formation of products given the balanced chemical reaction
- The factors (concentration & temperature) that affect the rate of reactions
- Catalyst and its effect on rate
- Rate determining step
DO:
- Determine the instantaneous rate law of a reaction from a graph of concentration vs time
- Write rate laws for first-order, zero-order and second-order reactions
- Interpret reaction profile (energy vs. reaction progress) graphs to find the activation energy(Ea) of forward and reverse reactions
- Evaluate plausibility of proposed mechanism
- Identify reaction intermediates
- Determine rate laws and rate constants from graphs of [A] vs time, ln [A] vs time, and [A]-1 vs time
CALCULATE:
- Rate constant (k) and the rate law from concentration and initial rate data
- Rate order from a rate law
- Concentration of reactant at a given time from integrated rate law
- Concentration of reactant at a given time from half-life
- New rate constant at a new temperature from original rate constant and temperature
- Activation energy(Ea) of a reaction from rates and temperature data (Arrhenius equation) or graphs of ln k versus 1/T
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