Reaction Rates (OCR A-Level Chemistry A): Flashcards
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Practise the cards
10 cards from this deck
Formula for rate of reaction
Formula for rate of reaction
Change in conc. divided by time
Standard units for reaction rate
Standard units for reaction rate
Two conditions for effective collisions
Two conditions for effective collisions
Correct orientation and sufficient energy
Effect of increased concentration on rate
Effect of increased concentration on rate
Increases reaction rate
Why concentration increases rate
Why concentration increases rate
More particles = more frequent collisions
Effect of increased pressure on gas reactions
Effect of increased pressure on gas reactions
Increases reaction rate
How to find initial rate from a graph
How to find initial rate from a graph
Gradient of tangent at
What gradient of tangent represents
What gradient of tangent represents
Rate of reaction at that point
Rate at start vs end of reaction
Rate at start vs end of reaction
Fastest at start, zero at end
Two methods for monitoring gas-producing reactions
Two methods for monitoring gas-producing reactions
Gas collection and mass loss