1. (6)Give the forward and reverse rate expressions for the ``elementary" reactions listed.
2. (8) The reaction 
is first order with a rate constant 
at
320C. What fraction of 
is decomposed at 320C after 90 min?
3. (6) Which of the following statements are true and which are false?
4. (8) Calculate the activation energy of a reaction whose rate exactly doubles between 27C (300K) and 37C (310K).
5. (8)Indicate the presence or absence of catalyst in the following reactions and give the chemical formula for the catalyst.
6. (6) Consider the following reaction mechanism outlined in (a), (b), (c) and list the molecularity and the reaction intermediate, if any, occuring in each step.
