Maxwell Boltzmann Distribution Pogil Answer Key — Extension Questions Fix

Use a Maxwell-Boltzmann distribution to illustrate how adding a catalyst (lowering the activation energy) speeds up a reaction.

If asked to sketch a curve at a higher temperature, make sure your new peak is lower so the total area under the curve remains identical to your original sketch.

line represents the fraction of molecules capable of reacting. At higher temperatures, this shaded area increases exponentially, elegantly explaining why reaction rates spike dramatically with even minor temperature increases. Extension Topic 3: Mathematical Derivations and Constants

Are you comparing or different temperatures ? Share public link A catalyst works by providing an alternative reaction

, there is no thermal motion, meaning all particles have zero speed.

A catalyst works by providing an alternative reaction pathway that has a than the uncatalyzed reaction. On an M–B distribution graph, you would draw a new vertical line for the catalyzed activation energy ($E_a$(cat)) to the left of the original $E_a$ line.

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vmp=2RTMv sub m p end-sub equals the square root of the fraction with numerator 2 cap R cap T and denominator cap M end-fraction end-root Average Speed ( vavgv sub a v g end-sub

3.1.2: Maxwell-Boltzmann Distributions - Chemistry LibreTexts

): This value is directly proportional to the average kinetic energy of the gas molecules. Because it squares the velocities before averaging them, it gives heavier weight to the fastest particles, pulling it the furthest to the right. powerful way to master the topic.

Temperature must always be converted to Kelvin ( ) for any underlying gas law calculations.

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is drawn as a fixed vertical line on the right side of the graph. Only particles to the right of this line can react. the role of activation energy