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6) A certain reaction is first order, and 5 s after initiation of the reaction, 10 % of the reactant remains. Calculate a) the rate constant (k) for this reaction. k = b) the half-life of the reaction. t1/2 Workouts

6) A certain reaction is first order, and 5 s after initiation of the reaction, 10 % of the reactant remains. Calculate a) the rate constant (k) for this reaction. k = b) the half-life of the reaction. t1/2 Workouts

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter16: Reaction Rates
Section16.4: Instantaneous Reaction Rates And Reaction Mechanisms
Problem 39SSC
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6) A certain reaction is first order, and 5 s after initiation of the reaction, 10 % of the reactant remains. Calculate a) the rate constant (k) for this reaction. b) the half-life of the reaction. t1/2 Workouts
Transcribed Image Text:6) A certain reaction is first order, and 5 s after initiation of the reaction, 10 % of the reactant remains. Calculate a) the rate constant (k) for this reaction. b) the half-life of the reaction. t1/2 Workouts
Constants Ideal gas constant: = 8.314 J K mol- = 0.083 dm bar K mol = 0.082 dm atm K mol Avogadro's constant: NA = 6.022x1023 mol-! Boltzmann constant: k 1.38x1023 J K Speed of light: c = 3 x 10% m s Planck's constant: h = 6.626x1034 J s 1 bar = 105 Pa 1 atm = 101325 Pa Relations U = NKT²(n = + k In Q S = %3D A = -kT In Q G = -NkT In) R.
Transcribed Image Text:Constants Ideal gas constant: = 8.314 J K mol- = 0.083 dm bar K mol = 0.082 dm atm K mol Avogadro's constant: NA = 6.022x1023 mol-! Boltzmann constant: k 1.38x1023 J K Speed of light: c = 3 x 10% m s Planck's constant: h = 6.626x1034 J s 1 bar = 105 Pa 1 atm = 101325 Pa Relations U = NKT²(n = + k In Q S = %3D A = -kT In Q G = -NkT In) R.
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