b) Complete the following reaction and predict the mechanism AICI, +CI-CO-CO-CI ??? (4M)

ki [2] Given the mechanism: NO(g) + O2(g) SNO;(g) [fast, reversible] k-1 (1) k2 NO:(g) + NO(g) → 2NO2(g) [slow] (2) (a) Write the equation for the overall reaction. (b) Which step is rate determining? (c) Which species is an intermediate? (d) Which species is a catalyst? (e) What is the rate law predicted by the above mechanism for the overall reaction?

The activation energy for the gas phase decomposition of t-butyl bromide is 170 kJ.(CH3)3CBr(CH3)2C=CH2 + HBrThe rate constant at 544 K is 0.000922 /s. The rate constant will be 0.00996 /s at ????? K.

a plausible mechanism (i) MeCCLi (ii) BRCH 2COME (ii) CH 3CO2H

(Q88) A first-order reaction has a half-life of 16.9 seconds. How long (in seconds) will it take for the concentration of the reactant in the reaction to fall to one-eighth of its initial value? (3 sf)

(1) The activation energy for the gas phase isomerization of methyl cis-cinnamate is 174 kJ.cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3The rate constant at 621 K is 8.10×10-5 /s. The rate constant will be 8.42×10-4 /s at_____ K. (1b) The activation energy for the gas phase isomerization of methyl cis-cinnamate is 174 kJ.cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3The rate constant at 654 K is 4.57×10-4 /s. The rate constant will be /s at _______ 695 K.

For the competing reactions 2A-->R with rate constant k1 and 2A-->S with rate constant k2, the concentration of R is 3 M while that of S is 0.2 M when starting with 10 M of pure A after 1 hr. a) What is the selectivity if R is the desired product? (A) 50 (C) 1/15 (B) 10/3 (D) 15 b) What is the remaining amount of A? (A) 4 M (C) 36 M (B) 18 M (D) 7.2 M

Question is attached

Do d(iii) as fast as possible. I upvote

The reaction of CH;OH and HBr is believed to proceed by the mechanism: ki CH:OH +H+ = CH:OHz* k1 Elementary Step 1: (Fast pre-equilibrium) Elementary Step 2: k2 CH;OH2* + Br- 5 CH;Br + H2O (Slow) (а) What is the stoichiometric overall equation for the reaction? (b) What is the intermediate in the proposed mechanism? (c) Derive the rate law predicted by this mechanism. Show your working out.