What two requirements must be met to call a mechanism plausible? Why say a “plausible” mechanism instead of the “correct” mechanism? Is it true that most reactions occur by a one-step mechanism? Explain

Q: Consider the initial-rate data at a certain temperature in the table for the reaction described by…

A: Value of k can be determined by applying rate law equation.

Q: he order of the reaction with respect to B

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Q: The rate of change d [A1/ dt of the reaction A B depending on: Changing with the times O Always its…

A: The rate of change of dA/dt of a reaction depends on changing with the time.

Q: Radioactive decay is a first-order kinetic process. The half-life for the decay of plutonium-239 is…

A: Radioactive decay always follows first order kinetic process , so we have to use the formulas of…

Q: The reaction 2 NO(E) + 2 H2 (g) → N2 (g) + 2 H2O(g) was studied at 904 °C, and the data in the table…

A:

Q: Consider the following reaction mechanism. k1 C2H6O(aq) + HCI(aq) 5 C2H¬O*(aq) + Cl'(aq) k-1 (fast,…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: An unknown reaction was observed, and the following data were collected: T k (К) (M 1.s 1) 352 109…

A:

Q: Define reaction rate. Assuming constant temperature and a closed reaction vessel, why does the rate…

A: In any reaction there is reactant which reacts and forms new products.

Q: 0.220 4.10 0.004 0.220 8.20 0.008 0.440 4.10 0.004 law expression for the reaction, the overall…

A: From the given experimental data  Assume,  Rate law is,  Rate = k[CO]a[Cl2]b From experiment 1 R1…

Q: You obtain kinetic data for a reaction at a set of differenttemperatures. You plot ln k versus 1/T…

A: The relationship between rate constant and activation energy is given by  K = A e-Ea / RT  where K =…

Q: b) The results obtained from the decomposition of N;O; at two different temperatures were recorded…

A: As the units of rate constant is s-1 So, Given reaction is of 1st order.

Q: What are the units of k for each type of reaction? a. first-order reaction b. second-order reaction…

A: Given: Units of k for, a. First-order reaction b. Second-order reaction c. Zero-order reaction

Q: from the experimental data when the concentration of substances A and B increases by 4 times, the…

A: Given: On increasing the concentration of A and B  by 4 times it's velocity increases 8 times. When…

Q: For the reaction         N2O5 --> 2 NO2 + ½ O2              use the following data to make 3 plots:…

A: A graph based on question about rate law, which is to be accomplished.

Q: Suppose that a catalyst lowers the activation barrier of a reaction from 125 kJ/mol t o 55 kJ/mol.…

A:

Q: Consider the mechanism. step 1: А + ВС АВС step 2: ВС + АВС — A + B, + C, overall: 2 ВС → B, + C,…

A: catalyst is the species which is present in the same form after the completion of reaction , means…

Q: (a) What is a catalyst? (b) What is the difference betweena homogeneous and a heterogeneous…

A: a) Catalyst are defined as the substance which helps in increasing the rate of any reaction without…

Q: HCI(g) can be synthesized from H,(g) and Cl,(g) as represented above. A student studying the…

A: Ans

Q: Determine the rate constant K.

A: Rate of reaction is defined as the rate at which reaction proceeds. It is expressed as change in…

Q: Consider the initial-rate data at a certain temperature in the table for the reaction described by…

A:

Q: If a slow step precedes a fast step in a two-step mechanism,do the substances in the fast step…

A: The rate law is the expression, showing the molar concentration of the reactants raised to some…

Q: Consider the mechanism. Step 1: AB + C equilibrium Step 2: C +D → E slow Overall: A + D → B + E…

A: The question is based on the concept of chemical kinetics. we have been given mechanism of the…

Q: Define the molecularity of a reaction and explain how and when this is linked to the reaction…

A: Molecularity: The molecularity of a reaction is described as the number of reacting molecules that…

Q: Consider

A: Given,  Step 1:  A⇀B+C  equilibrium Step 2: C + D ⟶  E     slow Overall Reaction ::  A+D ⟶B+E

Q: Consider the initial-rate data at a certain temperature in the table for the reaction described by…

A: The blanced chemical equation : 2NO2(g) + O3 (g) → N2O5 (g) +O2 (g) the rate constant k = ?

Q: A reaction between substances A and B has been found to give the following data: 3A +2B 2C+D Al…

A: Let the rate law for the reaction be :Rate = k [A] x [B] ywhere,k = rate constant for the reactionx…

Q: The experimental data from a certain reaction gives these three graphs. What is the most likely…

A: Given that,

Q: Which statement is incorrect for the following reaction profile? A) The reaction is exothermic. 50…

A: A reaction is said to be exothermic if energy of reactants is higher than that of products. Here,…

Q: Calculate the average rate of a reaction, given the following data: Reaction Data Time (s)…

A: Given: Concentration at 60 s is 5.00×10-2 Concentration at 85 s is 3.25×10-2 To find: Average rate…

Q: Given a set of reaction conditions, predict whether a reaction will be unimolecular or bimolecular,…

A:

Q: 5. For the elementary process: N2O5(g) → NO2(g) + NO3(g) The activation energy for the forward…

A: The Energy profile diagram is:

Q: Consider two reactions. Reaction (1) has a constant halflife,whereas reaction (2) has a half-life…

A: The half life of any reaction is given by  1) Half life = ln(2) / K = constant                for…

Q: Consider the mechanism. step 1: A + B, - АВ + В, — В, +A » AB + B step 2: overall: 2 В, — В, + В…

A: The catalyst is a chemical species that increases the rate of a chemical reaction and it does not…

Q: b) The results obtained from the decomposition of N;Os at two different temperatures were recorded…

A: Given that  Temperature (oC) Rate constant, k(s-1) 25 1.74x10-5 35 6.61x10-5

Q: Explain reactions qualitatively in terms of molecular collisions. (please put much information, the…

A: Molecular collisions can be well explained by the help of collision theoryin which it gives a clear…

Q: Determine the activation energy, E,, in kJ/mol given the data below: rate constant k (M 1s…

A:

Q: Consider the mechanism. Step 1: A↽−−⇀B+C equilibrium Step 2: C+D⟶EC slow Overall: A+D⟶B+E…

A:

Q: Consider the mechanism. Step 1: 2 A B equilibrium Step 2: В +С — D slow Overall: 2 A + C → D…

A:

Q: (a) Distinguish between reactions rate and reaction mechanism (b) The following data were obtained…

A: I- (aq)  + OCl-(aq)  → IO-  + Cl- (aq)  rate law for the reaction is   r = K [ I- ]m  [OCl-]n…

Q: Consider the two-step mechanism for the destruction of ozone. step 1: O, (g) + НO(g) HO, (g) + 0,(g)…

A: Given,   step 1: O3(g) + HO(g) ⟶ HO2(g)+ O2(g)  step 2: HO2(g) + O(g) ⟶ HO(g) + O2(g)

Q: Consider the mechanism. step 1: А + ВС — АВС step 2: ВС + АВС — А + В, + С, overall: 2 ВС B, + C,…

A:

Q: How is the order of a reaction generally determined?

A: Order of reaction is the sum of powers of reactant’s concentration in the rate equation of a…

Q: Initial-rate data at a certain temperature is given in the table for the reaction N,0,(g) → NO(g) +…

A: Recall the reaction, N2O3 ----> NO + NO2 Rate law equation can be written as, Rate = k [N2O3]x…

Q: A reaction between substances A and B has been found to give the following data: 3A + 2B --> 2C + D…

A: The reaction between substances A and B is as follows: 3A + 2B → 2C + D As the data is of rate of…