Arrhenius Equation Calculator

Welcome to this tutorial on the Arrhenius Equation, a fundamental concept in physical chemistry. This principle is central to understanding how the rate of a chemical reaction is affected by temperature. This tutorial will provide an explanation of the equation, interesting facts, real-world applications, and the achievements of significant individuals related to this concept.

Reaction Rate Constant Calculator
kJ mol-1
Arrhenius Equation Calculator Results
Reaction Rate Constant (K) = sec-1

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The Arrhenius Equation and its Significance

Named after the Swedish scientist Svante Arrhenius, the Arrhenius Equation quantifies the temperature dependence of reaction rates. This equation is pivotal in physical chemistry, environmental science, and engineering, underpinning how we understand and control chemical reactions.

Here's an interesting fact about the Arrhenius Equation: it was first proposed in the late 19th century and is still used widely today, underlining the timelessness of its scientific relevance.

Understanding the Formula

The Arrhenius Equation is given by:

k = A × e-(Ea/RT)


  • k is the rate constant of the reaction,
  • A is the pre-exponential factor, which is the rate constant at infinite temperature,
  • Ea is the activation energy of the reaction,
  • R is the universal gas constant, and
  • T is the absolute temperature in Kelvin.

Real Life Application

The Arrhenius Equation has various real-world applications. One important example is in the food industry. Suppose you're a quality control officer at a food processing company. The company has a new product, a type of fruit juice, which needs to have a shelf-life of at least 12 months. However, it's not practical to wait 12 months to test if the product is still safe and tastes good. Here is where the Arrhenius Equation comes into play. By increasing the temperature, you can accelerate the reaction rate of spoilage, and by using the Arrhenius equation, you can then extrapolate that data to predict the shelf life at normal storage temperatures.

Notable Individuals and Achievements

It's impossible to talk about the Arrhenius Equation without mentioning Svante Arrhenius, the Swedish scientist who developed this equation. Arrhenius was a pioneer in several fields, but he is particularly known for his work on electrolytes and reaction kinetics. He was awarded the Nobel Prize in Chemistry in 1903 for his electrolyte theory.

Arrhenius' findings have far-reaching impacts, and his equation is a staple in understanding and predicting reaction rates. This equation is fundamental to research in various disciplines, from chemistry to environmental science and even space exploration.

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