CHEM102 Lecture Notes - Lecture 6: Collision Frequency, Arrhenius Equation, Activation Energy
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Chem 102 lecture 6 friday, january 19, 2018. Arrhenius equation: t is under our control, which is temperature, r is a constant, ea is activation energy, a is a constant dependent on what kind of reaction it is. Let us take a look at the relationship between x and y in y = ax. Significant facts derived from the arrhenius equation: the rate constant k a (the collision frequency factor, relationship with activation energy, when ea = 0. Ea/rt = 0: e-ea/rt = 1 k = a, when ea = infinity, Ea/rt = negative infinity: e-ea/rt = 0, k = 0, absolute zero, no reactions can take place, when t = infinity (high temperature) Ea/rt = 0: e-ea/rt = 1, k = a (the maximum value of k, k is far from reaching the limit a under ordinary conditions, activation energy is a constant that does not change with the temperature.
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