For the following reaction: CH;CHO CH4 + CO the mechanism given is: call ki a) CH3CHO → CH3 + CHO b) CH3 + CH3CHO → CH4 + CH3 + CO call k2 c) CH3 + CH3 → C¿H6 call k3 The activation energies of the elementary reactions are 76 and 10 kJ respectively. Calculate the overall activation energy of the formation of CH4.

See attached image for question A.) What is the order of the reaction in A? B.) What is the rate of reaction when the initial concentrations are [A]= 0 M and [B]= 4.4x 10-2M?

1) Consider the reaction below. If the concentration of B doubles, what happens to the concentration of A, in the same length of time? 2 A B + 3 C 3 ㅎd[A] doubles triples reduces to one-halfreduces to one-third A -LUCA] = d[B] = 1 A[W) jun 3 =2= 2 dit d+ ↑ dt2) A reaction proceeds during which the half-life of the reactant, A, is shown to increase The rate over time. What is the order with respect to A2 concentrations of A retubes to A? i one warter for ro order realtion not predictable dictory =-4 Rate - +42 = K[AO] +1/2 of 1 САОЈ [A] zeroth first second this is not possible, as half-life would be constant the order is not predictable based on this information A 2 B + C 3) What is the order for the alpha decay of lead-210? All radioactive decay zeroth first second the order is not predictable based on this information quadruples reduces to one-quarter 2 ¿CB] =2 dUB] of zeroth 4) Given the plot below, determine the reaction order for 2 A C. first second d+ reactions are first orter…

Identify the molecularity of each elementary reaction in the table below. elementary reaction 2NO(g) + Br₂(g) 2NOBr(g) N₂O(g) → N₂(g) + 0(g) CH₂ CH₂ Br(aq) + OH(aq) CH₂CH₂OH(aq) + Br (aq) molecularity Ounimolecular Obimolecular O Cannot be determined. Ounimolecular Obimolecular O termolecular O quadrimolecular O termolecular O quadrimolecular Cannot be determined. unimolecular Obimolecular O Cannot be determined. O termolecular O quadrimolecular X G

A mechanism was developed to explain the kinetics of the reaction;OCl– + H2O <-------> HOCl + OH– (fast equilibrium)I– + HOCl --------> HOI + Cl– (slow)OH– + HOI ------------> H2O + OI– (fast)Does the rate expression of this mechanism support or refute the data?Is there a catalyst for this reaction? Identify itIs/are there a reaction intermediate(s)? Identify it

"yonsanh Identify each of the following elementary reactions as unimolecular, bimolecular, or termolecular, and write the rate expression. Reaction Molecularity Rate expression (a) NO2+NO2–→ 2 NO + 02 rate = (b) 0+O2+M →03+M rate = (c) NO,Cl–NO,+Cl rate =

Analyze the following reaction mechanism: 1. H2O2 → H,0 + O 2. O + CF2CI2 → CIO + CF2CI 3. CIO + O3 → CI + 202 4. CI + CF2CI → CF2CI2 Identify the reaction intermediates in this reaction. A) O, CIO, CI B) CI, CF2CI, CF2CI2 С) О, CIO, O, H,0 D) O, CIO, CI, CF2CI E) O, CIO, CI, CF2CI2

A mechanism for a fake overall chemical reaction is shown below:   Step #1:  X3 (g)  +  QX (g)  →  QX2 (g)  +  X2 (g)   Step #2:  QX2 (g)  +  X (g)  →  QX (g)  +  X2 (g) Which species would be defined as a catalyst? X QX2 X3 X2 QX