Rate of reaction on a graph (AQA GCSE Chemistry): Flashcards
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Practise the cards
13 cards from this deck
What does a rate of reaction graph show?
What does a rate of reaction graph show?
How fast a chemical reaction happens
What does the gradient indicate on a rate graph?
What does the gradient indicate on a rate graph?
The rate of reaction
Meaning of steeper line on rate graph
Meaning of steeper line on rate graph
Faster reaction
What to plot on x-axis of rate graph
What to plot on x-axis of rate graph
Time (minutes)
What to plot on y-axis of rate graph
What to plot on y-axis of rate graph
Amount of product made or reactant used up
How to draw line on rate graph
How to draw line on rate graph
Best-fit line or smooth curve, not dot-to-dot
What to do with anomalous points on graph
What to do with anomalous points on graph
Ignore them
Shape of line at start of reaction
Shape of line at start of reaction
Very steep (fastest rate)
Shape of line at end of reaction
Shape of line at end of reaction
Flat/horizontal (rate is zero)
Why rate decreases during reaction
Why rate decreases during reaction
Fewer reactant particles available to collide
How to find rate from graph
How to find rate from graph
Draw tangent and calculate its gradient
Formula for gradient
Formula for gradient
What gradient of tangent equals
What gradient of tangent equals
Rate of reaction