Effect of Changes of Conditions on Rate of Reaction (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many key factors can alter reaction rates?
How many key factors can alter reaction rates?
Five
What two conditions are needed for a successful collision?
What two conditions are needed for a successful collision?
Energy & correct orientation
What happens when concentration of a solution increases?
What happens when concentration of a solution increases?
More particles per unit volume
Why does breaking a solid into smaller pieces increase reaction rate?
Why does breaking a solid into smaller pieces increase reaction rate?
It exposes more surface particles
Why can coal dust cause explosions in mines?
Why can coal dust cause explosions in mines?
Dust has vastly greater surface area
What is the dominant effect of temperature on reaction rate?
What is the dominant effect of temperature on reaction rate?
Increases proportion with
By how much does a increase typically change reaction rate?
By how much does a increase typically change reaction rate?
Doubles (100% increase)
In a Maxwell-Boltzmann curve, what does the total area under the curve represent?
In a Maxwell-Boltzmann curve, what does the total area under the curve represent?
Total number of particles
As temperature increases, how does the Maxwell-Boltzmann curve change?
As temperature increases, how does the Maxwell-Boltzmann curve change?
Peak becomes lower and broader
At any temperature, what proportion of particles have ?
At any temperature, what proportion of particles have ?
Only a small proportion