t-BuBr + AcO- H3C Overall Balanced Equation: H3C H₂C AcO-+ [CAH,Br]* -Br + H3C- be Br-+ [C6H12O2] H₂C H3C IB + ACOH + Br- + CH3 H₂C- OH t-BuBr AcO- IB ACOH 102, Please provide the rate law for the disappearance of t-BuBr for this reaction. + Br-
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![t-BuBr + AcO-
H3C
Overall Balanced Equation:
H3C
H₂C
AcO-+
[CAH,Br]*
-Br +
H3C-
be
Br-+
[C6H12O2]
H₂C
H3C
IB + ACOH + Br-
+
CH3
H₂C-
OH
t-BuBr
AcO-
IB
ACOH
102, Please provide the rate law for the disappearance of t-BuBr for this reaction.
+ Br-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F975545ff-1edb-4e5f-b3c7-335f34f16f84%2Fa47ff065-3cb9-423f-a4d1-0c480aeb8a5f%2Fjsz5hob_processed.jpeg&w=3840&q=75)
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- First three sub-parts are solved Rate information was obtained for the following reaction at 25°C and 33°C; Cr(H2O)6 3+ + SCN¯ ---> Cr(H2O)5NCS2+ + H2O(l) Initial Rate [Cr(H2O)6 3+] [SCN-] @ 25°C 2.0x10-11 1.0x10-4 0.10 2.0x10-10 1.0x10-3 0.10 9.0x10-10 2.0x10-3 0.15 2.4x10-9 3.0x10-3 0.20 @ 33°C 1.4x10-10 1.0x10-4 0.20 a) Write a rate law consistent with the experimental data. b) What is the value of the rate constant at 25°C? c) What is the value of the rate constant at 33°C? d) What is the activation energy for this reaction? e) Can a 4th order reaction occur?The rate of consumption of B in the reaction 2A + B --> 2C + 3D is 2.7 mol dm-3s-1. State the reaction rate, and the rates of formation or consumption of A, C, and D.The reaction (CH3)3CBr + OH- -> (CH3)3COH + Br- in a certain solvent is first order with respect to (CH3)CBr and zero roder with respect to OH-. In several experiemnts, the rate constant was determined at different temepratures. A plot of ln(k) vs. 1/T was constructed resulting in a straight line with a slope of -1.10x104 K and a y-intercept of 33.5 a. determine the activation energy b. determine the frequceny factor and rate constant at 25.0C c. determine the rate constant when the temperature drops to 15.0C
- Derive an equation for the steady-state rate of the sequence of reactions A⇌B⇌C⇌D, with [A] maintained at a fixed value and the product D removed as soon as it is formed.Use the References to access important values if needed for this question. For the gas phase isomerization of methyl cis-cinnamate, cis-C6H5 CH=CHCOOCH3 → trans-C6H5 CH=CHCOOCH3 the rate constant at 669 K is 9.12 x 10-4 s and the rate constant at 711 Kis 5.79 x 107 s-¹. -3 The activation energy for the gas phase isomerization of methyl cis-cinnamate is kJ.The rate of consumption of B in the reaction A + 3B --> C +2D is 2.7 mol dm-3s-1. State the reaction rate, and the rate of formation or consumption of A, C, and D.
- (iii) Given that the following data (Table 1) was obtained for the reaction: C2H5NH2 + C,H5COCH2B → C6COCH,NH2C,H† + Br¯(g) Temp/K 295 310 320 k/ mol- dm³ s 2.2 x 104 7.5 x 104 1.5 x 10-3 Table 1 Using a graphical method, calculate the activation energy and pre-exponential factor.(iv) Describe/ explain the difference in relative reaction rate in following reactions. Reactions Relative Rates Br-CH,-CH, + SN, 14 Br + CH,CH-I Br + CH,CH,-I SN, acetone Br-CH-CH, +T SN, Br + CH;CH-I Br-CH-CH + r 0.015 gas phaseWhat is the half-life for a 2nd order reaction (const. temp. & P): A > B whose initial concentration is 0.500 M, with a k = 6.28 x 10-3 M-' 517 What is the rate constant (in s-') for a 1st order reaction (const. temp. & P): A > B having a starting concentration of 1.50 M, with a half-life of 3.88 minutes? 60 s = 1 min. For the reaction at const. temp.: A > B, having k = 2.26 x 103 M's', how long would it take, IN MINUTES, for [A] to decline to 0.286 M when [A] =1.00 M?
- Use the References to access important values if needed for this question. The following initial rate data are for the reaction of tertiary butyl bromide with hydroxide ion at 55 °C: (CH3)3CB + OH → (CH3);COH +Br Experiment [(CH3);CBr],, M [OH],, M Initial Rate, Ms 1 0.214 0.788 2.46x10-3 2 0.214 1.58 2.46x10-3 0.428 0.788 4.92x10-3 0.428 1.58 4.92x103 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]" , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n Rate = From these data, the rate constant is Submit Answer Try Another Version 3 item attempts remainingFor complex reaction with stoichiometry A+3B -> 2R+S and with second order rate expression -rA=K1[A][B] are the reaction rates related as follows: rA=rB=rR? if the rates are not so related, then how are they related? please account for a sign + or -Calculate the rate of the reaction (k) of ∙OH (105 molecules cm-3) with atmospheric CO (150 ppb) at 28°C, given that the rate constant for the process is 5 × 10-13 exp (-300 / temp) molecule-1 cm3 s-1.
