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1. 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

2. What is the overall reaction order of this reaction: H+ + Cl- --> HCl.
1 2 3 0 None of the above

3. For a 2nd order reaction, if the concentration is doubled, the reaction rate will:
triple quadruple stay the same double none of the above

4. Based on the collision model, the atoms at the top of the potential energy "hill" are called:
top of the hill activation energy transition state catalyst steric factor

5. First-order reaction A has a half-life of 5.0 days. Find its rate constant.
.14 .13 3.4 7.2 3.3

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