Which of the following reactions releases most energy to the surroundings?
1 point
1
Question 2
2.
1 point
1
Question 3
3.
The energy profile graphs for four different reactions are shown. Which reaction requires the most energetic collisions to reach the activated complex?
1 point
1
Question 4
4.
The following energy profiles for four different reactions are shown. Which reaction is the most exothermic?
2 points
2
Question 5
5.
Consider the four energy profile graphs shown below:
Identify the two diagrams that could represent the same reaction cataysed and uncatalysed.
graph 1
graph 2
graph 3
graph 4
Graph showing reaction with catalyst present
Graph showing reaction with NO catalyst present
1 point
1
Question 6
6.
Is the following statement True or False?
The following graph must be used to answer the questions that follow:
5 points
5
Question 7
7.
Match the following values for the graph shown above:
Draggable item
arrow_right_alt
Corresponding Item
Potential energy of products
arrow_right_alt
40 kJ
Potential energy of reactants
arrow_right_alt
15 kJ
∆H of forward reaction
arrow_right_alt
-25 kJ
Energy released when new bonds form
arrow_right_alt
25 kJ
∆H of reverse reaction
arrow_right_alt
-35 kJ
Use the following graph to answer the questions that follow:
1 point
1
Question 8
8.
Which of the letters (a-f) represents the energy of the products?
1 point
1
Question 9
9.
Which of the letters (a-f) represents the energy of the activated complex?
1 point
1
Question 10
10.
Which of the letters (a-f) represents the activation energy (forward reaction)?
1 point
1
Question 11
11.
Which of the letters (a-f) represents the heat of reaction (forward reaction)?
1 point
1
Question 12
12.
Which of the letters (a-f) represents the activation energy for the reverse reaction?