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Generic Reactions
Synthesis
A+B-AB
Single Replacement
C+AB-CB+A
Double
Replacement
AB+CD-AD + BC
.
Reactants
A+B
C + AB
.
AB+CD
.
-15 kl
65 kl.
10 kJ
AB
Products
CB+A
AD + BC
20 kJ
30 kJ
60 kJ
Transition
State
30 kJ
To assist you, use the enthalpy values in the data chart for each generic reaction provided. Be
sure to following the summary of steps below.
85 kl
Illustrate the x- and y-axes to show the reaction pathway and potential energy, in
kilojoules. Ensure your energy intervals are appropriate for the data.
•
Plot the enthalpy values of the reactants, products, and transition state using three
horizontal dotted lines across the graph for each.
75 kJ
•
Draw the energy curve from the reactants line to the transition state and curve the line
back down to the energy of the products. Label the reactants, products, and transition
state.
• Illustrate double-headed arrows to represent both the total change in enthalpy (AH)
and the activation energy (E₁).
Calculate the total change in enthalpy and the activation energy using the energy values
provided for each reaction. Record those values below the graph.
Make sure correct units are included.
