arrhenius equation

Question

Arrhenius equation expresses k as:

RankGuru · Accepted Answer

1. **Arrhenius Relationship**: Describes how the rate constant $k$ varies with temperature.
2. **Parameters**:
   - $A$: Pre-exponential factor (frequency factor).
   - $E_a$: Activation energy.
   - $R$: Gas constant ($8.314 	ext{ J mol}^{-1} 	ext{ K}^{-1}$).
   - $T$: Absolute temperature (in Kelvin).
3. **Equation**: **$k = A e^{-\frac{E_a}{RT}}$**.
4. **Significance**: The term $e^{-E_a/RT}$ represents the fraction of molecules that have energy equal to or greater than the activation energy.

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More arrhenius equation Practice Questions

According to the Arrhenius equation, the rate constant k is related to activation energy Ea by: