2. 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
3. Molecules must ____ to react.
adsorb mix work together form collide
4. A 1.2 molar solution A has a rate constant of 3.4 L/ mol*s. Determine its half-life if its rate law is second-order.
.24 .245 4.08 4.1 1.0
5. At 50.°C reaction A has a rate constant of 2.3 L/mol*s, but at 60.°C the rate constant is 4.5L/mol*s. Find its activation energy Ea
2.4 x 104 J/mol 1.6 x104 J/mol 6.0x104 J/mol 6.0x106 J/mol 1.6 x103 J/mol
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