Reading the definitions back

Exercise and reference answers

Questions

1. Question

   Order is found

   Choices

   1. from stoichiometry
   2. experimentally
   3. from the molecularity

   Correct choice

   experimentally

2. Question

   Molecularity is limited to

   Choices

   1. 0 to 3
   2. any integer
   3. 1 to 3

   Correct choice

   1 to 3

3. Question

   The Arrhenius factor A represents

   Choices

   1. collision frequency
   2. activation energy
   3. concentration

   Correct choice

   collision frequency

4. Question

   A catalyst changes the reaction by

   Choices

   1. raising the temperature
   2. lowering the activation energy
   3. changing the products

   Correct choice

   lowering the activation energy

Explanation