2. 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
3. After 5.0 minutes a .50 molar solution is left. Find the reaction rate if the initial amount of the solution was 1.0 molar.
0.10 mol/L*s 0.10 mol/L*min. 5.0 mol/L*s 5.0 mol/mL*min 2.0 mol/L*min
4. First-order reaction A has a half-life of 5.0 days. Find its rate constant.
.14 .13 3.4 7.2 3.3
5. Molecules must ____ to react.
adsorb mix work together form collide
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