A dimerization reaction of 2 R molecules occurs on a catalyst surface to form a product...

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A dimerization reaction of 2 R molecules occurs on a catalyst surface to form a product P. The reaction proceeds through the following mechanism: (1) R(g) +* R* (2) 2R* P*+ * (3) P = P(g) + * Transition state and reaction energies on three different catalyst surfaces are given in the table below: Catalyst E₁ Ag(211) 1.0 Cu(211) 0 Re(211) -2.5 ETS.1 2.5 0.5 0 E₂ -2.5 -1 2.8 ETS.2 0 0 3.3 E3 -1.5 -1.0 0.2 ETS,3 0 0 0.7 (a) Construct a potential energy reaction coordinate diagram for this reaction on the three different catalysts. A dimerization reaction of 2 R molecules occurs on a catalyst surface to form a product P. The reaction proceeds through the following mechanism: (1) R(g) +* R* (2) 2R* P*+ * (3) P = P(g) + * Transition state and reaction energies on three different catalyst surfaces are given in the table below: Catalyst E₁ Ag(211) 1.0 Cu(211) 0 Re(211) -2.5 ETS.1 2.5 0.5 0 E₂ -2.5 -1 2.8 ETS.2 0 0 3.3 E3 -1.5 -1.0 0.2 ETS,3 0 0 0.7 (a) Construct a potential energy reaction coordinate diagram for this reaction on the three different catalysts.

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