Required Practical: Investigating the Effect of Concentration on Rate of Reaction (OCR GCSE Chemistry A (Gateway Science Suite)): 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?
How HCl concentration affects rate of reaction
What does Gas Collection Method measure?
What does Gas Collection Method measure?
Volume of gas produced
Reactants in Gas Collection Method
Reactants in Gas Collection Method
Magnesium and hydrochloric acid
Volume of HCl in Gas Collection Method
Volume of HCl in Gas Collection Method
25 cm
Recording interval in Gas Collection Method
Recording interval in Gas Collection Method
Every 10 seconds
How to prepare magnesium strip
How to prepare magnesium strip
Clean with emery paper
What does Disappearing Cross Method measure?
What does Disappearing Cross Method measure?
Time for cross to become invisible
Reactants in Disappearing Cross Method
Reactants in Disappearing Cross Method
Sodium thiosulfate solution and HCl
When to stop timer (Disappearing Cross Method)?
When to stop timer (Disappearing Cross Method)?
When cross is no longer visible
What to plot on the graph
What to plot on the graph
Rate of reaction vs concentration of HCl
What does steeper gradient indicate?
What does steeper gradient indicate?
Higher rate of reaction
What to calculate from data
What to calculate from data
Rate of reaction for each concentration