The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E= 8.0 kJ/mol. If the rate constant of this reaction is 1.9 × 10 M¹-1 at 309.0 °C, what will the rate constant be at 254.0 °C? Round your answer to 2 significant digits. -1 -1 -S k= =M plo Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Ar Submit Assignment Accessibilit
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E= 8.0 kJ/mol. If the rate constant of this reaction is 1.9 × 10 M¹-1 at 309.0 °C, what will the rate constant be at 254.0 °C? Round your answer to 2 significant digits. -1 -1 -S k= =M plo Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Ar Submit Assignment Accessibilit
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Transcribed Image Text:The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E= 8.0 kJ/mol. If the rate constant of this
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Round your answer to 2 significant digits.
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Expert Solution
Step 1
Given,
Activation energy (Ea) = 8.0 kJ/mol = 8000 J/mol
Rate constant (k):
k1 = 1.9 × 109 M-1.s-1
k2 = ?
Temperature (T):
T1 = 309.0°C = (309.0 + 273.15) K = 582.15 K
T2 = 254.0°C = (254.0 + 273.15) K = 527.15 K
Note: universal gas constant (R) = 8.314 J/(mol.K)
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