Rate constant

[105561735]

How does the rate constant vary with temperature, and how can it be determined experimentally?

[Stephanie_manasyan]

The negative exponential relationship between k and the temperature indicates that as temperature increases, the value of k also increases. Since the rate constant can be determined experimentally over a range of temperatures, the activation energy can be calculated using the Arrhenius equation (k = Ae^-E/RT). Hope this helps!

[106062642]

The Arrhenius equation states that a chemical reaction's rate constant (k) usually increases with temperature. The exponential relationship between the temperature, activation energy (Ea), pre-exponential factor (A), and rate constant is represented by this equation. By doing tests at various temperatures and observing the reaction rate, one can experimentally discover how the rate constant varies with temperature. Scientists can calculate the activation energy and pre-exponential factor by drawing a straight line between the natural logarithm of the rate constant (lnk) and the reciprocal of the temperature (1/T). The underlying kinetics and energetics of chemical reactions, as well as the temperature dependency of reaction rates, are both greatly illuminated by this data.