19.  At 300 K a chemical reaction has a rate constant of 1.0 x 10-4 M-1 min-1. The enzyme that catalyzes this reaction lowers the Ea by 57 kJ/mol (ie.  Δ Ea  = 57 kJ/mol). What is the rate constant of the catalyzed reaction? Group of answer choices 8.5 x 109 M-1 min-1 none of the answers are correct 8.5 x 105 M-1 min-1 8.5 x 104 M-1 min-1

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