Consider the 3rd order reversible reaction: 2NO(g) + O2(g) ↔ 2NO2(g) The specific rates of the reaction, expressed in moles/L-s, are: Forward reaction: @ 600K, k=5.63 x 105:  @ 645K, k= 5.52x105 Reverse reaction: @600K, k=73.9;   @645K, k=307 Calculate the activation energy for the reverse reaction? a. 2.43x104      b. 2.7x104         c. 2.86x104         d. 3.7x104       e. 3.37x104

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