D. RATES: Activation energy
(i) Use of the Arrhenius equation
1.How to rearrange the Arrhenius equation?
2.How to find A in the Arrhenius equation?
3.Plot ln(k) or ln(rate) vs 1/T?
4.Using 1/time for rate
5.Estimating error in activation energy from Arrhenius plot
6.Meaning of a curved Arrhenius plot?
(ii) Activation energy
1.Best range of temperatures to use?
2.Does temperature affect activation energy?
3.What is the relationship between activation energy and bond energies?
4.Does concentration affect Ea values?
5.Values of R and A in Arrhenius equation
6.Activation energy for H2O2 decomposition
7.Effect of 10 K temperature change on rate
More FAQs relating to these topics in the context of particular experiments may be found in the second part of this list, under Practical Investigations.
updated: 07 August 2008
