Consider the mechanism for hydrogen and chlorine: Cl_2 + M rightarrow Cl + Cl + M...
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? (Choose from the list below and enter your answers in alphabetical order, e.g. ABC ). A)k G) [CHCl3]1/2 M) [CCl3]2 B) [Cl2] H) [CCl3]1/2 N) [HCl]2 C) [Cl] I) [HCl]1/2 O) [Cl2]2 D) [CHCl3] J) [Cl2]1/2 P) [Cl]2 E)...
Consider the following chain-reaction mechanism for the ortho-para (p to o hydrogen conversion: initiation M + H_2 (o or p) 2H + M propagation H + H_2(p) H_2(o) + H termination M + 2H H_2 (o or p) M Determine the rate of formation of H_2(o). Determine the apparent activation energy for the reaction.
Consider the following three step mechanism for a reaction Cl2 > 2Cl Fast Cl+CHCl3 > HCl+CCl3 Slow Cl+CCl3 > CCl4 Fast What is the predicted rate law? How do you do it? The answer is rate=K[Cl2]^.5 [CHCl3]
The mechanism for the chain reaction between gaseous hydrogen and gaseous bromine is where M is a chaperon. An analysis of this mechanism gives the rate equation as: when k_obs and k' _obs are the observed rate constants. What is the value of the activation energy for the overall reaction H_2(g) + Br_2(g) rightarrow 2 HBr(g)? What is the temperature dependence of k'_obs?
Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H+ + H202 = H207-OH (rapid equilibrium) H207-OH + Br- → HOBr + H20 (slow) HOBr + H+ + Br + Br2 + H20 (fast) What is the overall rate of reaction?
A student proposed the following mechanism for the gas phase reaction of fluorine with chlorine dioxide. step 1 fast: 2C10, C1,04 step 2 slow: Cl,04 + F2 — 2 FCIO2 (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Enter the formula of any species that acts as a reaction intermediate? If none leave box blank: (3) Complete the rate law for the overall...
1. The following mechanism has been proposed for the pas-phase reaction of chloroform and chlorine Ch> 20 (fast) CI + CHCI, - HCI +CCI, (slow) Cl + CCI - CCI (fast) a) Identify any intermediate(s): b) Identify any catalyst(s): b) Write the balanced equation for the overall reaction: c) Molecularity of each step: step 1. step 2. step 3 d) rds (circle): 1 2 3 d) What is the observable rate law predicted by this mechanism? e) What is the...
Consider the following reaction mechanism: step 1: 2 NO_2 rightarrow NO + NO_3 step 2: NO_3 + CO rightarrow NO_2 + CO_2 What intermediate is involved in this mechanism? NO_2 NO NO_3 CO CO_2 Consider the reaction given below: 2 A(g) + 3 B(g) 2 C(g) delta H = 12.5 kJ/mol K_p = 10.0 If a reaction mixture has the following partial pressures: P_A = 1.0 atm P_B = 2.0 atm P_C = 2.0 atm which of the following statements...
Help Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution H + H202H20' -ΟΗ (rapid equilibrium) H20 -OH + Br - HOBr + H20 (slow) HOBr + Η* - Βr - Βι2 + H20 (fast) What is the overall reaction equation for this process? 0005 Multiple Choice -Book Ο None of these choices are correct Ο H2O-OH + B H Br2 + H20 Ο 2Η Η2Ο2 Β- MO H2OOH - B2 H2O...
D18 Kinetics Review Sheets 8 H*(aq) + 4 Cl(aq) + MnO4 (aq) - 2 Cl(g) + Mn(aq) + 4H2O(l) 1. Cl2 (9) can be generated in the laboratory by reacting potassium permanganate with an acidified solution of sodium chloride. The net-ionic equation for the reaction is given above. a. A 25.00 mL sample of 0.250 M NaCl reacts completely with excess KMnO.(aq). The Cl(a) produced is dried and stored in a sealed container. At 22°C the pressure of the Cl2(g)...