# First-order rate constant ( Arrhenius equation)

## Description

Arrhenius’ equation gives the dependence of the rate constant “k” of a chemical reaction on the absolute temperature (in kelvin), by the activation energy

Related formulas## Variables

k | First-order rate constant (1/sec) |

k_{0} | pre-exponential factor (1/sec) |

e | e |

E_{a} | Activation energy (J) |

K_{b} | Boltzmann constant |

T | Temperature (K) |