Which of these two reactions has a faster rate and why

Q: Draw a reaction coordinate for an exergonic, four step reaction.  The third step of this reaction is…

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Q: Deducing information about reaction. Study the following reaction energy diagram: products energy…

A: 1. Does this reaction release or absorb energy: absorb 2. How many transition state occur during…

Q: one of the following actions is least likely to cause a change in the rate of the reaction?

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

Q: Which of the following statements is false? OA A catalyst increases the rate of a reaction, but is…

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

Q: The reaction profile below is for a chemical reaction whereby A is converted to D. Which is the…

A: The slowest step in a reaction is the rate determining step. The higher is the activation energy of…

Q: Define the rate of the reaction HBr in the following reaction

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Q: Which reaction is the rate limiting step? Is it Endothermic or Exothermic?

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Q: The first graph below represents the energy level diagram for an uncatalyzed reaction. Which other…

A: We have seen that the rate of many reactions can be accelerated by catalysts. A catalyst speeds up…

Q: Which of the following is TRUE about reaction rates? Rate constant is the same for the same reaction…

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Q: Which step is the rate-determining step of the reaction?

A: To find: Which step is the rate-determining step.

Q: Which step is the rate-determining step?

A: A  mechanism of any reaction is the sequence of elementary steps following which the  chemical…

Q: In solving the rate constant of a reaction, what will we use? Is it the final concentration or the…

A: Rate constant is proportionality constant that expresses relationship between rate of the reaction…

Q: give an example of a reaction that occurs immediately and an example of a reaction that occurs…

A: Most severe allergic reactions occur within seconds or minutes after exposure to the allergen

Q: Complete the sentences to describe the energy diagram shown. The energy diagram depicts a ___ step…

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Q: By what factor would the rate of a reaction increase if the temperature is increased 40oC? Remember,…

A: Temperature Change Reaction Rate For each 10oC temperature increase.  get doubled  if the…

Q: determines how fast the overall reaction proceeds? Select one: a. Rate determining step b. Quick…

A: As we know in complex reaction,   Slower step is considered as rate determining step.

Q: For what order reaction does the half-life get longer as the initial concentration increases?

A: Half Life of a reaction: It is the time required by reaction to get its half of initial…

Q: Which of the following can change with varying experimental conditions such as room temperature and…

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as…

Q: What is the rate for the second order reaction

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Q: (a) On the reaction profile below label the transition state(s), intermediate(s) and activation…

A: There are 3 activation energy State Present in the reaction profile

Q: erage rate of reaction: at is the average rate of reaction for the time interval from 185 s to 556…

A: The question is based on the concept of chemical kinetics. we have to calculate average rate of…

Q: Compare the instantaneous rate, initial rate and average rate to each other. Which do you expect to…

A: The rate of reaction or the speed with which a chemical reaction takes place can be defined as the…

Q: Which reaction rate is a useful value but does not tell how fast the concentration of the…

A: The average reaction rate can be defined as change in concentration of the reactant by change in…

Q: identify which of the two has the fastest and slowest reaction, and what could be the reasons…

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Q: What is the numerical value of the rate constant?

A: Let the order of reaction are a and b with respect to A and B respectively.  r = k[A]^a[B]^b ....(1)…

Q: Study the following reaction energy diagram: products energy reactants Then answer the following…

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Q: Which step of a reaction is the rate-determining step? O the fastest step the first step the last…

A: 1)

Q: he catalyzed pathway in a reaction mechanism has a __________ activation energy and thus causes a…

A: Activation energy is the minimum energy gained by the reactant molecules in order to proceed to form…

Q: sion for the rate of the reaction belowa

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Q: Arrange the reactions in increasing order of rate. What type of reactions are these?

A: Given: some reactions To find: there reactivity order.  Solution: SN1 reaction means nucleophilic…

Q: How did the rate change when the reaction was performed at lower temperature? why?

A: The rate of reaction is directional proportional to the reaction temperature. When temperature of a…

Q: Is it possible that the product has a negative rate, meaning it is being consumed instead of being…

A: The rate of a reaction is defined as the change in the concentration of any one of the reactants or…

Q: How can you determine the instantaneous rate of a reaction from a given set of data and/ or the…

A: Instantaneous rate of the reaction is the rate of the reaction at any given instant of time. At any…

Q: Explain the difference between the average rate of reaction and the instantaneous rate of reaction.

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Q: Which step is rate-determining?

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Q: (a) On the reaction profile below label the transition state(s), intermediate(s) and activation…

A: Transition state is very unstable due to short half Life of  about 10^-13 sec . So it is difficult…

Q: Study the following reaction energy diagram: energy reactants products Then answer the following…

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Q: What is the rate of the reaction i

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Q: then what is the overall reaction order?

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Q: Is the following statement is true ? The rate of the reaction is always equal the rate of…

A: To determine correctness of the below statement. The rate of the reaction is always equal the rate…

Q: What concentration terms appear in the rate equation?

A: Rate equation for a chemical reaction gives the link for forward reaction rate with concentrations…

Q: Which of the following is directly related to reaction rate? A. Concentration B. Pressure C. Time D.…

A: Which of the following is directly related to reaction rate ?  A. Concentration   B. Pressure  C.…

Q: Energy Diagram Reaction Time (min) Which of the following statements is true for the graph shown…

A: The products have lower potential energy then the reactants, and the ∆H is negative.

Q: Consider the following reaction and predict the new rate of the reaction if the concentration of A…

A: Given reaction is SN1 ( Nucleophilic substitution first order reaction)  .This is two step reaction…

Q: average reaction rate

A: As we know, Average rate of reaction =∆C∆t∆C is the change in concentration.∆t is time interval