Answers+to+Ch5

050min1 19aratekno22 1 bk117mollmin0250moll2187lmolmin

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Unformatted text preview: in 15. (a) linear graph; first‐order reaction (b) rate = k [X] (c) 0.0050 M /min = k (0.1 M ); k = 0.050 min−1 19. (a) rate = k [NO2 ]2 1 (b) k =1. 17 mol/L · min/(0. 250 mol/L)2 = 18.7 L/mol· min (c) rate = 18.7 L/mol· min×(0.800 mol/L)2 = 12.0 mol/L· min 23. (a)∵ r1=K[A]1m r2=K[A]2m ∴r1/r2= A]1m /[A]2m 0.0167/ 0.0107 = (0.100/ 0.0800)m ; 1.56 = 1.25m ; m = 2 (b) rate = k [A]2 (c) 0.0167 mol/L· min = k (0.100 mol/L)2 ; k = 1.67 L/mol· min 25. (a) rate = k×[S2 O8‐2 ]m ×[I− ]...
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