During Class Invention Activity
1. Write a balanced chemical equation that describes the reaction between G and B in the BCE for today’s class.
2. Based on your observations from the BCE record the results of all of the possible collisions enumerated in the table below.
Collision |
Particle 1
|
Particle 2
|
Result of collision |
1. |
G |
B |
No Change |
2. |
G |
G |
|
3. |
B |
B |
|
4. |
G2 |
G2 |
|
5. |
G2 |
B |
|
6. |
G2 |
G |
|
7. |
GB |
G |
|
8. |
G2B |
B |
|
9. |
G2B |
G |
|
10. |
G2B |
G2 |
|
11. |
G2B |
G2B |
|
3. Based on results from Question 2, what collisions (called elementary steps) are required to convert reactants to products.
4. Based on results from Question 2 and Question 3, propose a step-by-step process (a mechanism) that converts reactants to products.
5. Describe the role of G2 in the overall mechanism of the reaction between G and B.
6. A possible mechanism for the reaction is the one step collision between three reacting particles:
G + G + B ---> G2B.
Is this a likely mechanism for this reaction? Why or why not.
7. Suggest two possible mechanisms for the following reaction and label any intermediates in the mechanisms:
NO2 + CO ---> NO + CO2
8. Considering the reaction mechanisms from Q7, how important is the 'orientation' of the molecules in a collision for an effective collision (a collision that produces some type of chemical change) to occur?