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Which outcome determines the rate of reaction when the activation energy significantly exceeds RT, Boltzmann constant times temperature?

A)Exponential dependence on temperature changes
B)Rate limited by reactant diffusion speed
C)Linear increase due pre-exponential factor
D)Approaching equilibrium independent energy

💡 Explanation

When activation energy is much larger than RT, Arrhenius equation dominates, demonstrating an exponential temperature dependence because only a tiny fraction of collisions have sufficient energy for the reaction to occur. Therefore outcome relies exponential dependence, rather than diffusion limit, linear rise, or independence - require different kinetic regimes.

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