Required Practical: Investigating the Effect of Concentration on Rate of Reaction (AQA GCSE Chemistry): Flashcards
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Practise the cards
12 cards from this deck
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Practise the cards
12 cards from this deck
What does this practical investigate?
What does this practical investigate?
Effect of HCl concentration on reaction rate
What does Gas Collection Method measure?
What does Gas Collection Method measure?
Volume of gas produced (Mg + HCl)
What does Disappearing Cross Method time?
What does Disappearing Cross Method time?
Time for cross to be obscured by cloudy mixture
How to clean Mg strip
How to clean Mg strip
Use emery paper
Volume of HCl in gas collection method
Volume of HCl in gas collection method
How often to record gas volume?
How often to record gas volume?
Every 10 seconds
Volume of sodium thiosulfate solution
Volume of sodium thiosulfate solution
Volume of HCl in disappearing cross
Volume of HCl in disappearing cross
When to stop timer (disappearing cross)
When to stop timer (disappearing cross)
When cross is no longer visible
What to plot on graph
What to plot on graph
Rate of reaction against HCl concentration
Steeper gradient indicates
Steeper gradient indicates
Higher rate of reaction
How to vary HCl concentrations
How to vary HCl concentrations
Increase by equal increments