OH H-o-H H* Under what condition would the reaction proceed faster? O A. In the presence of a salt B. Acid-base mixture catalyzed C. Base catalyzed O D. Acid catalyzed
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- 25. Which data provides information about the kinetics of the reaction? A. Data 1 B. Data 2 C. Data 3 D. Data 2 and 3 26. In what data do you see the qualitative description of the forming and breaking of intermolecular forces of attraction between the reactants? A. Data 1 B. Data 2 C. Data 3 D. Data 1 and 2 27. Which of the following descriptions is TRUE for the chemical reaction shown above? A. The reaction is classified as an exothermic reaction. B. The products will decrease if the reactants increase. C. The reaction is reversible if you add more heat. D. The reaction changes to exothermic reaction if heat is increased. 28. With this type of reaction, which side of the equation should the notation ΔH be indicated? A. Reactant side B. Product side C. Reactant and product side D. Neither reactant nor product side 29. Given the information provided by Data 3, how many…Name of reaction? Reaction mechanism? m) n H₂ 1. LAHY 2.H30+ NNA ?? OMe B OMe
- Which of the following statements is false? A catalyst increases the rate of a reaction, but is not consumed. OA. A catalyts stay unchanged during a chemical reaction. B. A catalyst takes part in a reaction and undergoes chemical change. OC. A catalyst alters the mechanism of reaction. OD. OE A catalyst alters the activation energy.A mechanism for a naturally occurring reaction that destroys ozone is: O3(g) + HO(g) → HO2(g) + O2(g) HO2(g) + O(g) –→ HO(g) + O2(g) What is the role of HO in this mechanism? O A. reactant O B. catalyst O C. intermediate O D. transition state O E. productAn equilibrium-controlled reaction will yield: Select one: ⒸA. the product that forms the fastest. ⒸB. the product whose formation involves the smallest energy of activation. OC. the product that can be formed in the fewest steps. OD. the most stable product.
- Calculate reaction B only.1A. Minimum amount of energy needed by a chemical reaction.a. Reaction mechanismb. Activation Energyc. Rated. Internal Energy 1B. Standard unit used to express rate of reaction.a. mol/Lb. M2c. M/sd. M 1C. Relates the reaction rate to the concentrations of reactants.a. General Rate of Reactionb. Rate of Reactionc. Rate Lawd. Order of the Reaction2. Fill in the missing reaction conditions for each reaction below. OH OH _OH OH Br ОН OH язы OH
- _15. As the temperature of a reaction is increased, the rate of the reaction increases beçause the a. reactant molecules collide less frequently b. reactant moleçules collide more frequently and with greater energy per collision C. activation energy is lowered d. reactant molecules collide less frequently and with greater energy per collisionConsider an aqueous solution containing phenol, water, phenoxide, and hydronium ion at equilibrium as shown below. What will happen if NaOH is added to the mixture? HO + H20 + H,0* phenol phenoxide O The position of the equilibrium will shift to the left. More phenoxide will form. The Kc of the reaction will increase. The Qc of the reaction will be greater than its Kc.Given the following potential energy diagram for the one-step reaction X+Y→Z +R b a x+y Reaction coordinate The reaction a. occurs without a net change in energy b.is impossible O c. may either absorb or release energy O d. absorbs energy O e. releases energy Potential energy