For the gas phase decomposition of t-butyl acetate, CH3COOC(CH3)3–(CH3)½C=CH, + CH;COOH the rate constant in s' has been determined at several temperatures. When In k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -2.04×104 K and a y-intercept of 30.7. The value of the rate constant for the gas phase decomposition of t-butyl acetate at 511 K is (Enter your answer to one significant figure.)

For the gas phase decomposition of t-butyl acetate, CH3COOC(CH3)3–(CH3)½C=CH, + CH;COOH the rate constant in s' has been determined at several temperatures. When In k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -2.04×104 K and a y-intercept of 30.7. The value of the rate constant for the gas phase decomposition of t-butyl acetate at 511 K is (Enter your answer to one significant figure.)

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.49PAE: The rate of photodecomposition of the herbicide piclo- ram in aqueous systems was determined by...

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List at least four experimentally determined parameters that you, an experimenter, can define when exploring the hydrolysis of ethyl benzoate by aqueous sodium hydroxide.
The rate of photodecomposition of the herbicide piclo- ram in aqueous systems was determined by exposure to sunlight for a number of days. One such experiment produced the following results. (Data from R.T. Hedlun and C.R. Youngson, “The Rates of Photodecomposition of Picloram in Aqueous Systems," Fate of Organic Pesticides in tbe Aquatic Environment, Advances in Chemistry Series, #111, American Chemical Society (1972), 159—172.) Exposure Time, t (days) [Pidoram] (mol L_1) 0 4.14 X 10-6 7 3.70 X 10-6 14 3.31 X 10-6 21 2.94 X 10~6 28 2.61 X 10~6 35 2.30 X 10-6 42 2.05 X 10-6 49 1.82 X 10"6 56 1.65 X 10-6 Determine the order of reaction, the rate constant, and the half-life for the photodecomposition of picloram.
For the past 10 years, the unsaturated hydrocarbon 1, 3-butadiene (CH2 = CH - CH = CH2) has ranked 38th among the top 50 industrial Chemicals. It is used primarily for the manufacture of synthetic rubber. An isomer exists also as cyclobutene: The isomerization of cyclobutene to butadiene is first-order and the rate constant has been measured as 2.0104s1 at 150 C in a 0.53-L ?ask. Determine the partial pressure of cyclobutene and its concentration after 30.0 minutes if an isomerization reaction is carried out at 150 C with an initial pressure of 55 torr.
For the gas phase decomposition of t-butyl propionate,C2H5COOC(CH3)3(CH3)2C=CH2 + C2H5COOHthe rate constant in s-1 has been determined at several temperatures. When ln k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -1.97×104 K and a y-intercept of 29.5. The value of the rate constant for the gas phase decomposition of t-butyl propionate at 530 K is _______s-1. (Enter your answer to one significant figure.)
For the rate law Rate = k[A][B]3/2, the order with respect to A is __________, the order with respect to B is __________, and the overall reaction order is __________.
The rate constant for the fi rst-order decomposition of N2O5 in the reaction 2 N2 O5(g) → 4 NO2(g) + O2(g) with v = kr[N2O5] is kr = 3.38 x 10-5 s-1 at 25 oC. What is the ha lf- life of N2O5? What w ill be the total pressure, init ial ly 78.4 kPa for the pure N2O5 vapour, (a) 5.0 s, (b) 5.0 min after init iation of the reaction?
For the gas phase isomerization of methyl cis-cinnamate,cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3the rate constant in s-1 has been determined at several temperatures. When ln k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -2.09×104 K and a y-intercept of 24.3. The value of the rate constant for the gas phase isomerization of methyl cis-cinnamate at 660 K is _______ s-1. (Enter your answer to one significant figure.) Submit Answer
For the gas phase isomerization of methyl cis-cinnamate,cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3the rate constant in s-1 has been determined at several temperatures. When ln k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -2.09×104 K and a y-intercept of 24.3. The value of the rate constant for the gas phase isomerization of methyl cis-cinnamate at 668 K is______ s-1. (Enter your answer to one significant figure.)
For the gas phase decomposition of t-butyl bromide,(CH3)3CBr(CH3)2C=CH2 + HBrthe rate constant in s-1 has been determined at several temperatures. When ln k is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -2.04×104 K and a y-intercept of 30.6.The value of the rate constant for the gas phase decomposition of t-butyl bromide at 544 K is ?????? s-1. (Enter your answer to one significant figure.)
For the gas phase decomposition of trichloromethyl chloroformate,ClCOOCCl3 ---------> 2 COCl2the rate constant has been determined at several temperatures. When ln k in s-1 is plotted against the reciprocal of the Kelvin temperature, the resulting linear plot has a slope of -2.09×104 K and a y-intercept of 30.3.The activation energy for the gas phase decomposition of trichloromethyl chloroformate is __________________ kJ/mol.
If the rate law for a process is rate=k[A]^2 [B], and [A]=0.7085 and [B]=0.1211, determine the rate as a multiple of k. State the answer without including k.
Calculate the magnitude of the diffusion-controlled rate constant at 320 K for the recombination of two atoms in benzene, for which η = 0.601 cP. Assuming the concentration of the reacting species is 2.0 mmol dm−3 initially, how long does it take for the concentration of the atoms to fall to half that value? Assume the reaction is elementary.