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Lesson 1: Chemical Reaction Rates and Le Chatelier’s Principle — Picture questions (exam style)

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  • Questions count: 18
  • Passing grade: 60%
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1.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
-40 kJ/mol
60 kJ/mol
40 kJ/mol
20 kJ/mol
2.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
210 kJ/mol
60 kJ/mol
150 kJ/mol
-60 kJ/mol
3.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
40 kJ/mol
60 kJ/mol
160 kJ/mol
100 kJ/mol
4.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
-60 kJ/mol
60 kJ/mol
90 kJ/mol
150 kJ/mol
5.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
80 kJ/mol
40 kJ/mol
60 kJ/mol
-20 kJ/mol
6.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
60 kJ/mol
20 kJ/mol
40 kJ/mol
80 kJ/mol
7.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
150 kJ/mol
-40 kJ/mol
190 kJ/mol
40 kJ/mol
8.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
180 kJ/mol
-20 kJ/mol
200 kJ/mol
160 kJ/mol
9.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
120 kJ/mol
160 kJ/mol
80 kJ/mol
40 kJ/mol
10.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
-40 kJ/mol
40 kJ/mol
100 kJ/mol
60 kJ/mol
11.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
20 kJ/mol
-60 kJ/mol
60 kJ/mol
80 kJ/mol
12.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
60 kJ/mol
-30 kJ/mol
90 kJ/mol
150 kJ/mol
13.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
160 kJ/mol
-40 kJ/mol
120 kJ/mol
80 kJ/mol
14.
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
From the diagram, what is the activation energy of the reverse (uncatalysed) reaction?
240 kJ/mol
-40 kJ/mol
200 kJ/mol
160 kJ/mol
15.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
200 kJ/mol
-90 kJ/mol
290 kJ/mol
90 kJ/mol
16.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
-40 kJ/mol
40 kJ/mol
120 kJ/mol
80 kJ/mol
17.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
-20 kJ/mol
20 kJ/mol
80 kJ/mol
100 kJ/mol
18.
The energy profile is for a reaction. What is ΔH?
The energy profile is for a reaction. What is ΔH?
-20 kJ/mol
20 kJ/mol
180 kJ/mol
160 kJ/mol
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