Concept explainers
(a)
Interpretation: The effect on the rate of the given second-order reaction is to be interpreted if the concentration of chlorocyclopentane is tripled and the concentration of sodium hydroxide remains the same.
Concept introduction:
The change in reactant concentration over the course of the specified period can be viewed as the pace of a
(b)
Interpretation: The effect on the rate of the given second-order reaction is to be interpreted if the concentration of chlorocyclopentane remains the same and the concentration of sodium hydroxide is doubled.
Concept introduction:
The change in reactant concentration over the course of the specified period can be viewed as the pace of a chemical reaction. According to the rate rule, the active concentration of the reactant molecules directly affects how quickly a chemical reaction proceeds. The rate constant is the name for the proportionality constant.
(c)
Interpretation: The effect on the rate of the given second-order reaction is to be interpreted if the concentration of chlorocyclopentane is doubled and the concentration of sodium hydroxide is tripled.
Concept introduction:
The change in reactant concentration over the course of the specified period can be viewed as the pace of a chemical reaction. According to the rate rule, the active concentration of the reactant molecules directly affects how quickly a chemical reaction proceeds. The rate constant is the name for the proportionality constant.
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG(LL)
- In each of the following, which reaction mechanism assumption is apparently being violated? Explain your answers. a. A reaction takes place more rapidly when the concentration of reactants is decreased. b. A reaction takes place more rapidly when the reaction mixture is cooled. c. The reaction rate of A+BAB increases as the concentration of A is increased but does not change as the concentration of B is increased.arrow_forwardCobra venom helps the snake secure food by binding to acetylcholine receptors on the diaphragm of a bite victim, leading to the loss of function of the diaphragm muscle tissue and eventually death. In order to develop more potent antivenins, scientists have studied what happens to the toxin once it has bound the acetylcholine receptors. They have found that the toxin is released from the receptor in a process that can be described by the rate law Rate = k [acetylcholine receptortoxin complex] If the activation energy of this reaction at 37.0C is 26.2 kJ/mol and A = 0.850 s1. what is the rate of reaction if you have a 0.200M solution of receptor-toxin complex at 37.0C?arrow_forwardHow would you express the rate of the chemical reaction AB based on the concentration of Reactant A? Howwould that rate compare with the reaction rate based onthe Product B?arrow_forward
- Why awe elementary reactions involving three or more reactants very uncommon?arrow_forwardConsider the general reaction aA+bBcC and the following average rate data over some time period t: At=0.0080mol/LsBt=0.0120mol/LsCt=0.0160mol/Ls Determine a set of possible coefficients to balance this general reaction.arrow_forwardThree first-order reactions have the following activation energies: (a) Which reaction is the fastest? (b) Which reaction has the largest half-life? (c) Which reaction has the largest rate?arrow_forward
- Choose the letter of the best answer and write your answer on the space provided before the number. I. 1. Why does the rate of the reaction increase when the temperature of a reaction increase? A. activation energy is lowered B. reactant molecules collide less frequently C. reactant molecules collide more frequently and with greater energy per collision D. reactant molecules collide less frequently and with greater energy per collision 2. Which of the following lowers the activation energy for a reaction? A. adding a catalyst for the reaction B. increasing the concentrations of reactants C. raising the temperature of the reaction D. removing products the reaction as proceedarrow_forwardReaction A and reaction B have identical frequency factors, but reaction B has a higher activation energy than reaction A. Which reaction has a faster rate at room temperature? A. Reaction A B. Reaction Barrow_forwardWhich reaction rate is a useful value but does not tell how fast the concentration of the reactant(s) is decreasing at any given time of the reaction? O the average reaction rate O the initial reaction rate O the last reaction rate O the middle reaction ratearrow_forward
- Label the graph to the right with the items on the left. a. Products b. Transition state c. Activation energy d. Potential energy e. Catalyzed reaction f. Reaction progress g. Uncatalyzed reaction h. Reactants i. AH of the reactionarrow_forwardWhich of the following statements regarding the rate constant in the rate law expression is not true? a. Its value increases with temperature. b. Its value is independent of initial concentration at a given temperature. c. Its units depend on the overall order of reaction. d. Its value is experimentally determined. e. The larger its value, the slower the reaction rate.arrow_forwardWhat is the unit of rate constant ? a. (time) n – 1 (concentration) b. 1/(time)(concentration) n-1 c. (time)-1 (concentration) n – 1arrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningPhysical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning