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Buffalo State College-Cx g.com/ibiscms/mod/ibis/view.php?id-4615352 Gra Print Calcuator Periodic Table Question 6 of 22 Map General Chemistry 4th Edition University Science Books presented by Sapling Leaming Consider the reaction described by the following equation. c,H.Brdaq) +31-(aq) C,H.tel +2Br-(aq)+1,(aq) The rate law is rate [c,H Br,where-419x10 M where k-4.19 x 10M What are the missing entries in the following table? Initial rate of formation Run IC H&Brob; (M) [ h (M) of CoHs (M s 0.244 0.000998 0.244 0.000499 3 0.244 0.244 M-s

Explanation / Answer

Given:
Rate = k[C2H4Br2][I-]
Rate = (4.19*10^-3)[C2H4Br2][I-]

from run 1:
Rate = (4.19*10^-3)[C2H4Br2][I-]
0.000998 = (4.19*10^-3)*x*0.244
x = 0.976 M
Answer: 0.976 M

from run 2:
Rate = (4.19*10^-3)[C2H4Br2][I-]
0.000499 = (4.19*10^-3)*0.244*y
y = 0.489 M
Answer: 0.489 M

from run 3:
Rate = (4.19*10^-3)[C2H4Br2][I-]
z = (4.19*10^-3)*0.244*0.244
z = 0.000249 M.s-1
Answer: 0.000249 M.s-1

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