WorksheetsPotential Energy Diagrams - Higher Chemistry (Unit 3)
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Which letter represents the enthalpy change for the reaction?
a)
A
b)
B
c)
C
d)
D
e)
E
2.
Which letter represents the activation energy for the forward reaction?
a)
A
b)
B
c)
C
d)
D
e)
E
3.
Is the forward reaction exothermic or endothermic?
a)
Exothermic
b)
Endothermic
4.
Which letter represents the activation energy for the reverse reaction?
a)
A
b)
B
c)
C
d)
D
e)
E
5.
The enthalpy change of the reverse reaction will be...
a)
Positive
b)
Negative
6.
What is the energy of the activated complex?
a)
20 kJ
b)
40 kJ
c)
60 kJ
d)
80 kJ
e)
100 kJ
7.
What is the activation energy of the forward reaction?
a)
20 kJ
b)
40 kJ
c)
60 kJ
d)
80 kJ
e)
100 kJ
8.
What is the activation energy of the reverse reaction?
a)
20 kJ
b)
40 kJ
c)
60 kJ
d)
80 kJ
e)
100 kJ
9.
What is the enthalpy change for the forward reaction?
a)
+50 kJ
b)
-50 kJ
c)
+200 kJ
d)
-200 kJ
10.
What is the enthalpy change for the reverse reaction?
a)
+50 kJ
b)
-50 kJ
c)
+200 kJ
d)
-200 kJ
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