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Conceptual Checkpoint 07.02 The following reaction exhibits a second order rate equation: + NaOH - OH...
How does halving the nucleophile concentration affect the rate of an E2 reaction? Select the single...
How does halving the nucleophile concentration affect the rate of an E2 reaction? Select the single best answer. o no change O rate halved O rate quadrupled o rate doubled
Review | Constants Periodic Table Leaming Goal: To understand reaction order and rate constants. For the...
Review | Constants Periodic Table Leaming Goal: To understand reaction order and rate constants. For the general equation A+B+C+ dD. the rate law is expressed as follows: ratek AB" where mand n indicate the order of the reaction with respect to each reactant and must be determined experimentally and kis the rate constant, which is specific to each reaction Order For a particular reaction, aA +bB+CD the rate law was experimentally determined to be rate - KABC -- EBC2 A....
Which of the following graphs best represents of penicillin, if the reaction is second order with...
Which of the following graphs best represents of penicillin, if the reaction is second order with respect to penicillin? For the reaction X_2 + Y + Z rightarrow XY + XZ, it is found that doubling the concentration of X_2 doubled the reaction rate, tripling the concentration of Y triples the rate, and doubling the concentration of Z has no effect. What is the rate law for this reaction? What is the unit for the rate constant for this reaction?...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units of k for this reaction? If the concentration of air decreases by a factor of 2 and the concentration of b increases by a factor of 5 what happens to the rate? 2. for the forward reaction 2NO+Cl2=>2NOCl. determine the rate(m/s)for experiment #4 given [NO]°(M)=0.40M and [Cl2]°z(M)=0?20M. Rate? 3.The following data were collected over time for the forward reaction 2NO2=>2NO+O2 ( 1/[NO2]=100 at 0...
Suppose you have a following reaction: How does the reaction rate change increase, decrease, does not...
Suppose you have a following reaction: How does the reaction rate change increase, decrease, does not change) if you: a) increase the concentration of sodium iodide twice b) use n-hexane as a solvent instead of acetone c) use 2-bromopropane as electrophile instead of bromoethane d) use two times higher volume of solvent (keeping the amount of both alkyl bromide and sodium iodide the same). In each case use one-two sentences to justify your answers CH3CH3Br + Nal acetone → CH2CH3...
1) The reaction of hydrogen peroxide with iodine, H2O2(aq)+I2(aq)⇌OH−(aq)+HIO(aq) is first order in H2O2 and first...
1) The reaction of hydrogen peroxide with iodine, H2O2(aq)+I2(aq)⇌OH−(aq)+HIO(aq) is first order in H2O2 and first order in I2. If the concentration of H2O2 was increased by half and the concentration of I2 was quadrupled, by what factor would the reaction rate increase? 2) Consider the following reaction: O3(g)→O2(g)+O(g) Using the results of the Arrhenius analysis (Ea=93.1kJ/mol and A=4.36×1011M⋅s−1), predict the rate constant at 298 K . 3. The rate constant of a chemical reaction increased from 0.100 s−1 to...
5. Consider the reaction below: CH COOC Hs(aq) + OH (aq CH Coo (aq)+CHsCH2OH(aq) The second-order...
5. Consider the reaction below: CH COOC Hs(aq) + OH (aq CH Coo (aq)+CHsCH2OH(aq) The second-order rate constant for the reaction is 0.11 dmmol's1. What is the concentration of ester after (a) 10 s, (b) 10 min when ethyl acetate is added to sodium hydroxide so that the initial concentrations are [NaOH 0.050 mol dm3 and [CH COOC2Hs] 0.100 mol dm 3?
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether,...
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether, (CH)1COCH CH, in acidic conditions. What would happen to the rate of the reaction if the concentration of ethanol was doubled? A) The rate remains the same. B) The rate decreases by a factor of 2 C) The rate increases by a factor of 2. D) The rate increases by a factor of 4. Circle the following alkyl halide that will undergo the fastest...
The second-order rate constant for the reaction below is 0.11 dm3 mol−1 s−1. CH3COOC2H5(aq) + OH−(aq)...
The second-order rate constant for the reaction below is 0.11
dm3 mol−1 s−1.
CH3COOC2H5(aq) +
OH−(aq) →
CH3CO2−(aq) +
CH3CH2OH(aq)
What are the concentrations after the following times when ethyl
acetate is added to sodium hydroxide so that the initial
concentrations are [NaOH] = 0.050 mol dm−3 and
[CH3COOC2H5] = 0.100 mol
dm−3?
(a) 10. s
CH3COOC2 Hs +OHPCH3 COz tCHsCteott iS o.jl Lmai.S shab is 6he concentraron OF ester curter los uhen ebhyl acebaute IS Cadsed 6oSodium hydroxide Ta...
How does halving the nucleophile concentration affect the rate of an E2 reaction? Select the single best answer. o no change O rate halved O rate quadrupled o rate doubled
Review | Constants Periodic Table Leaming Goal: To understand reaction order and rate constants. For the general equation A+B+C+ dD. the rate law is expressed as follows: ratek AB" where mand n indicate the order of the reaction with respect to each reactant and must be determined experimentally and kis the rate constant, which is specific to each reaction Order For a particular reaction, aA +bB+CD the rate law was experimentally determined to be rate - KABC -- EBC2 A....
Which of the following graphs best represents of penicillin, if the reaction is second order with respect to penicillin? For the reaction X_2 + Y + Z rightarrow XY + XZ, it is found that doubling the concentration of X_2 doubled the reaction rate, tripling the concentration of Y triples the rate, and doubling the concentration of Z has no effect. What is the rate law for this reaction? What is the unit for the rate constant for this reaction?...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
Suppose you have a following reaction: How does the reaction rate change increase, decrease, does not change) if you: a) increase the concentration of sodium iodide twice b) use n-hexane as a solvent instead of acetone c) use 2-bromopropane as electrophile instead of bromoethane d) use two times higher volume of solvent (keeping the amount of both alkyl bromide and sodium iodide the same). In each case use one-two sentences to justify your answers CH3CH3Br + Nal acetone → CH2CH3...
5. Consider the reaction below: CH COOC Hs(aq) + OH (aq CH Coo (aq)+CHsCH2OH(aq) The second-order rate constant for the reaction is 0.11 dmmol's1. What is the concentration of ester after (a) 10 s, (b) 10 min when ethyl acetate is added to sodium hydroxide so that the initial concentrations are [NaOH 0.050 mol dm3 and [CH COOC2Hs] 0.100 mol dm 3?
28) The reaction of tert-butyl bromide, (CH,)CBr, with ethanol affords the substitution product tert-butyl ethyl ether, (CH)1COCH CH, in acidic conditions. What would happen to the rate of the reaction if the concentration of ethanol was doubled? A) The rate remains the same. B) The rate decreases by a factor of 2 C) The rate increases by a factor of 2. D) The rate increases by a factor of 4. Circle the following alkyl halide that will undergo the fastest...
The second-order rate constant for the reaction below is 0.11
dm3 mol−1 s−1.
CH3COOC2H5(aq) +
OH−(aq) →
CH3CO2−(aq) +
CH3CH2OH(aq)
What are the concentrations after the following times when ethyl
acetate is added to sodium hydroxide so that the initial
concentrations are [NaOH] = 0.050 mol dm−3 and
[CH3COOC2H5] = 0.100 mol
dm−3?
(a) 10. s
CH3COOC2 Hs +OHPCH3 COz tCHsCteott iS o.jl Lmai.S shab is 6he concentraron OF ester curter los uhen ebhyl acebaute IS Cadsed 6oSodium hydroxide Ta...
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