Investigating Temperature and Reaction Rates

Kinetic Theory and Rate of Reaction

  • Kinetic Energy and Particle Motion:

    • As temperature is increased, reacting particles acquire more kinetic energy.
    • With increased kinetic energy, particles move faster within the reaction vessel.

  • Collision Theory and Reaction Kinetics:

    • Faster moving particles lead to an increased frequency of collisions, resulting in more collisions per second.
    • Higher kinetic energy ensures a larger fraction of collisions possess sufficient energy to overcome the activation energy barrier, producing more successful collisions.
    • The cumulative microscopic effect of increased collision frequency and success rate produces a faster rate of reaction.

Experimental Variables and Investigation Methodology

  • Classification of Experimental Variables:

    • Control Variable: The factor(s) that must be kept the same throughout the experiment to ensure a fair test.
    • Independent Variable: The factor that is deliberately changed by the experimenter during the investigation.
    • Dependent Variable: The factor that is measured as the outcome of the experiment.

  • Experimental Log Inscriptions and Units:

    • Investigation titles recorded in log notes include "Investigating temperature" and "Investigating the essent as increusing tempe".
    • Logged measurement unit notations include 5 m5\,\text{m}, Came\text{Came}, and ML\text{ML}.
    • Individual entry metadata notes the student identifier "Weibull".

Recorded Temperature Measurements and Dates

  • Timeline of Experimental Sessions:

    • Thursday, 24th September 2016
    • Friday, 25th September (logged as Friday 25" Sappe)

  • Sequential Temperature Data Points:

    • 24 ∘C24\,^\circ\text{C}
    • 28 ∘C28\,^\circ\text{C}
    • 32 ∘C32\,^\circ\text{C}
    • 36 ∘C36\,^\circ\text{C} (recorded in raw logs as "звес")