Rate Constants and Temperature (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 is the rule of thumb for the effect of a 10°C temperature rise on the rate constant?
What is the rule of thumb for the effect of a 10°C temperature rise on the rate constant?
Approximately doubles
What type of relationship exists between rate constant and temperature?
What type of relationship exists between rate constant and temperature?
Exponential
What is the dominant factor when temperature increases the rate constant?
What is the dominant factor when temperature increases the rate constant?
Shift in Boltzmann distribution
What is the value of the gas constant in the Arrhenius equation?
What is the value of the gas constant in the Arrhenius equation?
8.314 J mol⁻¹ K⁻¹
In a plot of vs , what does the gradient represent?
In a plot of vs , what does the gradient represent?
What does the y-intercept represent in a vs plot?
What does the y-intercept represent in a vs plot?
How is calculated from the gradient of an Arrhenius plot?
How is calculated from the gradient of an Arrhenius plot?
What two requirements must be met for particles to react successfully?
What two requirements must be met for particles to react successfully?
Sufficient energy & correct orientation
If the y-intercept of an Arrhenius plot is 25.40, what is ?
If the y-intercept of an Arrhenius plot is 25.40, what is ?
Which axes are correct for determining graphically using the Arrhenius equation?
Which axes are correct for determining graphically using the Arrhenius equation?
x: , y: