Research regarding "Arrhenius" typically falls into three main scientific papers or areas of study: 1. The Original Arrhenius Equation (1889)
This landmark paper, published in the Zeitschrift für Physikalische Chemie , established the mathematical relationship between reaction rates and temperature. : It introduced the idea of activation energy ( Eacap E sub a )—the threshold energy molecules must possess to react. Formula : is the rate constant, is the frequency factor, is the gas constant, and is absolute temperature. arrhenius
: This modified model has been applied to diverse areas, including: Botany : Respiration rates of plant leaves. Zoology : The speed of ants and the heartbeat of terrapins. Formula : is the rate constant, is the
) to account for threshold temperatures below which processes (like a heartbeat or bacterial growth) stop entirely. ) to account for threshold temperatures below which
: Many biological and material processes do not show a linear relationship on a standard Arrhenius plot (ln ), often referred to as "non-Arrhenius behaviour".
: Crystallization of glasses and steel austenitization. 3. Early Climate Science (1896)
: Researchers proposed adding a temperature parameter ( T0cap T sub 0