A ALEKS . Learn-Dalton 7- xG Chegg Study l Guided s x \\ e M MyMU Marshal Unive

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A ALEKS . Learn-Dalton 7- xG Chegg Study l Guided s x e M MyMU Marshal Unive × G kj to j-Google Search ::: Apps D CHM 211 D Sign In Microsoft Word . Na TU Intern Application Fo Bird iD skills: How tc A ALEKS-Assessment Other bookmark O KINETICS AND EQUILIBRIUM Dalton -Using the Arrhenius equation to calculate k at one temperature fr The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E reaction is 1.0 x 109 M-1.s-1 at 251.0 °C, what wil the rate constant be at 170.0 °C? Round your answer to 2 significant digits 10.0 kJ/mol. If the rate constant of this Ar Explanation Check O Type here to search 7-28 PM 2/1/2018 2 rP ^ 4,

Explanation / Answer

K1   =

T1   = 170+273   = 443K

K2   = 1*10^9M^-1 S^-1

T2   = 251+273   = 524K

Ea   = 10KJ/mole   = 10000J/mole

log(K2/K1)   = Ea/2.303R [1/T1 -1/T2]

log1*10^9/k1    = 10000/2.303*8.314 [1/443 -1/524]

log(1*10^9/K1) = 10000*(0.00225-0.0019)/19.147

                         = 3.5/19.147

log(1*10^9/K1)   = 0.183

(1*10^9/K1)        = 10^0.183

1*10^9/K1                = 1.524

1*10^9/K1    = 1.524

K1    = 1*10^9/1.524                 = 6.6*10^8 M^-1s^-1 >>>>>answer

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