2. The energy needed to overcome for a reaction to occur is called:
activation energy energy of vaporization specific heat potential energy kinetic energy

3. Which statement regarding the rate determining step is TRUE:
All reactions have a rate determining step Rate determining steps can only be unimolecular The step is usually slow The step is usually fast Overall reaction has to be faster than the rate determining step

4. k[A][B] --> products is:
unimolecular first-order bimolecular termolecular none of the above

5. The rate law for reaction A is: rate=k[A]^{2. When [A] was 2.0 molar, the reaction was found to be 3.0x10-3 mol/L*s. Determine the rate constant.}
7.5x10^-4 7.5x10^-3 1.5x10^-3 1.5x10^-4 none of the above

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