2) Acetoacetic acid, CH3COCH2COOH, a reagent used in organic synthesis, decomposes in acidic solution, producing acetone and CO2(g). CH3COCH2COOH(aq) CH3COCH3(aq) + CO2(g) This first-order decomposition has a half-life of 144 minutes. (a) How long will it take for a sample of acetoacetic acid to be 65% decomposed? b) How many liters of CO2(g), measured at 24.5°C and 748 Torr, are produced as a 10.0 g sample of CH3COCH2COOH decomposes for 575 min? [Ignore the aqueous solubility of CO2(g).]

2) Acetoacetic acid, CH3COCH2COOH, a reagent used in organic synthesis, decomposes in acidic solution, producing acetone and CO2(g). CH3COCH2COOH(aq) CH3COCH3(aq) + CO2(g) This first-order decomposition has a half-life of 144 minutes. (a) How long will it take for a sample of acetoacetic acid to be 65% decomposed? b) How many liters of CO2(g), measured at 24.5°C and 748 Torr, are produced as a 10.0 g sample of CH3COCH2COOH decomposes for 575 min? [Ignore the aqueous solubility of CO2(g).]

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter11: Rate Of Reaction

Section: Chapter Questions

Problem 39QAP: The decomposition of azomethane, (CH3)2N2, to nitrogen and ethane gases is a first-order reaction,...

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The decomposition of azomethane, (CH3)2N2, to nitrogen and ethane gases is a first-order reaction, (CH3)2N2(g)N2(g)+C2H6(g). At a certain temperature, a 29-mg sample of azomethane is reduced to 12 mg in 1.4 s. (a) What is the rate constant k for the decomposition at that temperature? (b) What is the half-life of the decomposition? (c) How long will it take to decompose 78% of the azomethane?
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