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WorksheetsPotential Energy Diagrams Quiz
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
The potential energy diagram is for an (a) reaction
2.
Label the potential energy diagram.
a)Ea
b)ΔH
c)Ea reverse
1
2
3
1)
2)
3)
3.
Match the value with its corresponding label.
a)
Activation Energy for the forward reaction.
1.
80 kJ
b)
Activation Energy for the reverse reaction.
2.
30 kJ
c)
Enthalpy
3.
+50 kJ
d)
Potential Energy of the reactants.
4.
50 kJ
e)
Potential Energy of the products.
5.
100 kJ
4.
The reaction is
a)
endothermic
b)
exothermic
c)
neither endothermic or exothermic
5.
Which species forms at the activated complex?
a)
X2 + Y2
b)
X2Y2
c)
2XY
6.
Which species has the highest potential energy?
a)
X2 + Y2
b)
2XY
7.
In the reaction represented by the potential energy diagram, energy is (a) . The reaction is (b) and will have a (c) enthalpy.
Choose from the below words
absorbed
endothermic
positive
released
negative
exothermic
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