15 – Investigating the Effect of Surface Area on Reaction Rates (LC 2027) (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does this experiment investigate?
What does this experiment investigate?
Effect of particle size on reaction rate
What is the chemical formula for calcium carbonate?
What is the chemical formula for calcium carbonate?
Why does mass loss occur during the reaction?
Why does mass loss occur during the reaction?
Carbon dioxide gas escapes
What is the purpose of the cotton wool plug?
What is the purpose of the cotton wool plug?
Prevents spray, allows out
What mass of marble chips is used in each experiment?
What mass of marble chips is used in each experiment?
20g
At what time intervals is the mass recorded?
At what time intervals is the mass recorded?
30-second intervals
Which variable must stay constant when repeating the experiment?
Which variable must stay constant when repeating the experiment?
Mass of marble chips used
If initial mass is 245.67g and current mass is 243.42g, what is the mass loss?
If initial mass is 245.67g and current mass is 243.42g, what is the mass loss?
2.25g
Which particle size reacts most rapidly?
Which particle size reacts most rapidly?
Small marble chips
How do final mass losses compare for different particle sizes?
How do final mass losses compare for different particle sizes?
All reach the same final mass loss
How does surface area affect reaction rate?
How does surface area affect reaction rate?
Greater surface area = faster rate
Why do smaller particles react faster?
Why do smaller particles react faster?
More collision opportunities exist
