Rate–Concentration Graphs (OCR A-Level Chemistry A): Flashcards
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Graph shape for zero order reaction (rate vs conc.)
Graph shape for zero order reaction (rate vs conc.)
Horizontal straight line
Graph shape for 1st order reaction (rate vs conc.)
Graph shape for 1st order reaction (rate vs conc.)
Straight line through origin
Graph shape for 2nd order reaction (rate vs conc.)
Graph shape for 2nd order reaction (rate vs conc.)
Upward curve with increasing gradient
How to find for 1st order from rate-conc. graph?
How to find for 1st order from rate-conc. graph?
Gradient of straight line =
Effect of doubling conc. in 2nd order reaction on rate?
Effect of doubling conc. in 2nd order reaction on rate?
Rate quadruples (×4)
What does gradient give in log-log graph?
What does gradient give in log-log graph?
Order of reaction ()
Initial rate proportional to what in clock reactions?
Initial rate proportional to what in clock reactions?
(reciprocal of time)
Iodine clock endpoint colour when starch present?
Iodine clock endpoint colour when starch present?
Blue-black
Accuracy limit for clock reactions (% completion)?
Accuracy limit for clock reactions (% completion)?
Less than 15% of reaction
Rate equation for zero order w.r.t. A?
Rate equation for zero order w.r.t. A?
(since )