how fast

Question 1

first order conc time graph

Answer 1

downward curve, that is decreasing

Question 2

zero order conc time graph

Answer 2

linear negative gradient

Question 3

first order rate conc graph

Answer 3

straight line through 0,0
and rate directly proportional to [ ]

Question 4

zero order rate conc graph

Answer 4

no change in rate

Question 5

second order rate conc graph

Answer 5

curve with increasing gradient starting at 0,0