Question

CHEM-101 Problem Set No. 5 (Petrucci, Herring. Madura and Bissonnette: General Chemistry 11" Ed.. Chapter 20) Due: Wednesday, Mar. 25, 2020 Name: Student Number Circle your class time: 10:30 11:30 For the reaction: 2 N2O3(g) - 4 NO2(g) + O2(g) at the time when N20s is being consumed at a rate of 12 10-4 M/s, what is the rate at which O2 is being formed? A) 1210-4 M's B) 24-10-4 M's C) 6.0 x 10-5 M's D) 3.0 10-5 M/S E) 4. 8 10-4 M's ? 2. What is the overall reaction order for the reaction that has the rate Law Rate A) zero order B) first order C) second order D) third order 3. The combustion of ethylene proceeds by the reaction C2H4(g) + 3 026) -- 2 Colg) + 2 H2O(g) the rate of appearance of CO2 is molt When the rate of disappearance of Osis 0.28 molt A) 0.19 B) 0.093 C) 0.84 D) 0.42 E) 0.56 4. The reaction A+B-C D is second order in A and zero order in B. The value of k is 0.012 M. min.l. What is the rate of this reaction when [A] -0.125 M and [B] -0435 M? A) 5 x 10-4 M min-1 B) 3.4 10-3 M min-1 C) 1.3 M min-1 D) 1.9 x 10-4 M min-1 E) 1.5 * 10-3 M min-1 Problem Set 5 Page 1 of 4 Chemistry 101, Winter 2020

Answer 1

0 2 N205 → 4NO2 + O2 Pazac - at - apost] = [2] [lati of disappearanevë of appearance) de = 4 x1-2810* Y's : 0.6x15% = 6*108 mils option e at = 0.28 mof st Í and Order with respect to cl=1 with N=2 (option o) = overal order 1+ 2 = 3 (option Sum of au order & - CH4 + 30 2 > 2 co2 + 2H2O - Rate of diss appearance = 3 dlowd = 1X0. fa 2 рролла 2 ар - 4 м.) 7 teatre core? con la fx0.28 moi 267, 0.56 0.19 mol 4'5Coption A) @ Race Law v = K[A]”[B]° - k[A O ginen A = 0.125 m , k=0.012 memint ra 0.012 M/ mis x (0.25)?M2 = 1.875X10 M min a 1.9x104 M mint option I mo m