The Boltzmann Distribution (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does 'elastic' mean when describing molecular collisions in gases?
What does 'elastic' mean when describing molecular collisions in gases?
Molecules maintain their kinetic energy
What does the total area under the Boltzmann distribution curve represent?
What does the total area under the Boltzmann distribution curve represent?
Total number of molecules in sample
Why does the Boltzmann distribution curve begin at the origin?
Why does the Boltzmann distribution curve begin at the origin?
No molecules have zero kinetic energy
Why does the Boltzmann curve never touch the x-axis at high energies?
Why does the Boltzmann curve never touch the x-axis at high energies?
No upper limit to molecular energy
What happens to the peak of the curve when temperature increases?
What happens to the peak of the curve when temperature increases?
Shifts right and becomes lower
Why does the peak become lower when temperature increases?
Why does the peak become lower when temperature increases?
Total area must remain constant
Why does increasing temperature increase reaction rate?
Why does increasing temperature increase reaction rate?
More molecules possess
Which factor is more significant in explaining temperature's effect on reaction rate?
Which factor is more significant in explaining temperature's effect on reaction rate?
Increase in molecular energy
How do catalysts increase the rate of a chemical reaction?
How do catalysts increase the rate of a chemical reaction?
Lower the activation energy
What effect does a catalyst have on the Boltzmann distribution curve?
What effect does a catalyst have on the Boltzmann distribution curve?
Does not change the curve