For a products time and concentration data were collected and plotted as shown here

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Determine the reaction order, the rate constant, and the units of the rate constant.
0th order: kt = [A]0– [A]
1st order : kt = ln[A]0– ln[A]
2nd order” kt = 1/[A] – 1/[A]0

k*30 = ln[0.500] – ln[0.319]
k = 0.0150
k*60 = ln[0.500] – ln[0.203]
k = 0.0150

reaction is 1storder, rate constant = 0.0150 s-1

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The reason why i feel that the theory of plate tectonics is correct because scientists have found dinosaur bones of the same species in africa, asia, and in the americas. which means that they must have been together at one point in time. plate tectonics is also how the hawaiian islands were formed. as the plate hawaii is on was moving north west, magma would melt through the sea bottom and hardening. forming into the island chain. plate tectonics also explains the mariana trench. two plates were moving away from each other and made a giant crack in the ocean floor running 2,550 kilometers (1,500 miles)  long.