10.00 Grade 9.00 8.00 Task Navigation 7.00 6.00 2 2 3 4 [A] (M) 5.00 . 4.00 3.00 5 6 7 8 2.00 1.00 9 10 11 12 0.00 0.00

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10 00 Grade 9 00 8 00 Task Navigation 7 00 6 00 2 2 3 4 A M 5 00 4 00 3 00 5 6 7 8 2 00 1 00 9 10 11 12 0 00 0 00 1 (94.3 KiB) Viewed 24 times

10.00 Grade 9.00 8.00 Task Navigation 7.00 6.00 2 2 3 4 [A] (M) 5.00 . 4.00 3.00 5 6 7 8 2.00 1.00 9 10 11 12 0.00 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 Time (h) 13 14 15 16 a) What is the half-life, t1/2, for the reaction in hours? t1/2: h 17 18 19 20 b) Remembering that this is a first-order reaction, what is the rate constant, k, for the reaction? 21 22 23 24 k: h-1 c) Based on the initial concentration shown in the graph, how long would it take (in hours) until only 0.940 M of A is remaining? 25 26 t: t: h