Reactions rarely occur by mechanisms that include termolecular elementary steps because ____. Select one: A. the simultaneous collision of three molecules has a low probability B. simpler reaction mechanisms can always support the same rate law C. the math involved is too complicated D. all of the above

Q: The reaction rate constants of a reaction at 298 K and 373 K are 0.0450 s-1 and 20.1 s-1,…

A:

Q: Rate constant of reaction is measured in mol/L·s. What is overall order of this reaction? a. zero…

A: Which one of the following is correct

Q: If a reaction is first order in one reactant and first order in the only other reactant, the units…

A: The rate law equation is given as shown below.

Q: Consider the dissolving of sugar as a simple process in which kinetics is important. Suppose that…

A: Equal mass of sugar is dissolved in a fixed volume water. We have to identify which type of sugar…

Q: 7. What are the units of k in a second order reaction? A. Ms¹ B. Ms C. M¹¹ D. M²-1 E. S¹

A: Answer:Here, n is the order of reaction

Q: Which of the following reactions wonld have the most reactive two-step unimolecular mechanism(…

A: Given reactions are example of nucleophilic substitution reactions. Unimolecular nucleophilic…

Q: For below reaction where graph of vs t is linear. A B The rate constant for this reaction is 0.790…

A: Given: k=0.790M−1s−1;[A]0​=0.00910M;[A]=???M;t=785s[A]1​vs.tlinearStep 1: Determine the order with…

Q: What is true if a catalyst was added to an endothermic reaction at constant temp? (can be multiple…

A:

Q: For below reaction where graph of vs t is linear. [A] A B The rate constant for this reaction is…

A: Step 1: Step 2: Step 3: Step 4:

Q: The rate constant for a particular zero-order reaction is 0.042 Ms−1. If the initial concentration…

A: Since we know that the relationship between the concentration of reactant i.e [A] and time for a 0th…

Q: Which statement could NOT be a possible explanation for the increase in effective collisions caused…

A: A catalyst helps in the faster formation of products by increasing the rate of reaction without…

Q: a. b. C. d. e. sider a substance that follows first order kinetics has a half-life, t1/2, of 88.90…

A:

Q: a. At higher temperatures, the fraction of molecules with enough energy to overcome the activation…

A: a.) We would check the affect of increasing temperature on energy.  b.) We will check the affect of…

Q: 12. What is the half-life of a 1st order reaction whose rate law constant is 3.7x10-3s-1? a. 190…

A:

Q: 5. Use the following experimental values: a. Determine the following: i. Rate Law ii. Overall…

A: To determine rate law , we first consider a general rate law with order a and b with respect to…

Q: a.) What are the units of a second-order rate constant? b.) Which is NOT a factor in the calculation…

A:

Q: In the Arrhenius equation, temperature is directly propotional to which factor? O A. rate constant…

A: The Arrhenius equation is, k=Ae-EaRTwhere, k=rate constant             A=pre-exponrntial factor…

Q: A reaction A + B --> products has a rate law that is second order in A and third order overall. The…

A:

Q: What is the half-life of a 1st order reaction whose rate law constant is 7.6x10-4s-1? A.…

A: half life = .693/.00076 half life = 910

Q: The _____ of a reaction can be obtained by measuring two concentrations of reactants at times…

A: The rate of a reaction can be defined as the rate of decrease in concentration of reactants or the…

Q: The theoretical effect of an increase in the initial concentration of a reactant can be explained in…

A: Answer:To form the product reactant molecules need to overcome an energy barrier called as…

Q: Al elevated temperatures, methylisonitrile (CHINC) isomerizes to acetonitrile (CHICN): CH₂NC…

A:

Q: 15. The rate constant for a reaction is 5.65 s¹. What is the overall order of the reaction?! a First…

A: In the question, only the value of the rate constant is given along with the unit. To determine the…

Q: Which of the following is true: I. First order reactions proceed at a constant rate II. First order…

A: Given- First order reaction.

Q: What are the correct units for a second order rate constant? a. mol/Lxs b. 1/s c. L/molxs d.…

A: To choose the correct unit of second order rate constant

Q: Which type of equation allows one to track changes in concentration vs time? a. Rate law b.…

A: We have to determine the type of equation that allows one to track changes in concentration vs time.…

Q: . Calculate the average rate of the reaction A to B from the start of the reaction to the 10th sec.…

A: The data given is,