A chemist collects high-resolution kinetic data for a reversible reaction at constant…

CHEMISTRY · Single correct · AP · Chemistry · Kinetics · Kinetics

Problem

A chemist collects high-resolution kinetic data for a reversible reaction at constant temperature. The smoothed data (rate in mol L⁻¹ s⁻¹) are modeled by the functions Rate_forward = 0.60e−0.05t0.60e^{-0.05t} Rate_reverse = 0.60(1−e−0.05t)0.60(1-e^{-0.05t}) where tt is in seconds. Based on these expressions, during which of the following time intervals is there a net formation of products? (a) All times  t>41.6 s\text{All times }\, t > 41.6\,\text{s} (b) 0 s<t<27.7 s0\,\text{s} < t < 27.7\,\text{s} (c) 0 s<t<13.9 s0\,\text{s} < t < 13.9\,\text{s} (d) 13.9 s<t<27.7 s13.9\,\text{s} < t < 27.7\,\text{s}

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