Maxwell-Boltzmann Distribution Curve - Temperature Flashcards
A Maxwell-Boltzmann distribution curve is a graph that shows the
distribution of energies at a certain temperature
When the temperature of a reaction mixture is increased, the particles gain more
kinetic energy
When the temperature of a reaction mixture is increased, the particles gain more kinetic energy. This causes the particles to move around faster resulting in more frequent collisions
Furthermore, the proportion of ……….. collisions ……… which means
Furthermore, the proportion of successful collisions increases, meaning a higher proportion of the particles possess the minimum amount of energy (activation energy) to cause a chemical reaction
With higher temperatures, the Boltzmann distribution curve ……. and then shifts ………..
flattens and shifts rights
Therefore, an increase in temperature causes an increased rate of reaction due to:
There being more effective collisions as the particles have more kinetic energy, making them move around faster
A greater proportion of the molecules having kinetic energy greater than the activation energy
Why does the maxwell-Boltzmann curve flatten out at higher temperatures
There is more energy available, so now there are many more energetic particles with which could have more collisions
Why does the maxwell - Boltzmann graph shift right
There is more energy so more particles will have reached activation energy
Whats on the x axis
energy
whats on the y axis
number of particles
Why is the area under the graph the same under every graph
same amount if particles in every area
How is activation energy (Ea) shown
The area under the right of the graph which is shaded area under is how many particles have reached activation energy
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