The activation energy for the gas phase
decomposition of ethyl acetate is
200 kJ.
CH3COOC2H5 -->
CH3COOH +
C2H4
The rate constant at 670 K is
8.41×10-4 /s. The rate constant will be
1.14×10-2 /s at _____ K.
ln(k2- ln k1) = Ea/R(1/T1 - 1/T2)
T1 = 670 K
k1 = 8.41 x 10^-4 s^-1
T2 = ? K
k2 = 1.14 x 10^-2 s^-1
R = 8.3145 J/K.mol (Gas constant)
Ea= 200 KJ OR 2.00 x 10^5 J/mol
ln 1.14 x 10^-2 - ln 8.41 x 10^-4 s^-1 = 2.00 x 10^5 J/mol / 8.3145
(1/670- 1/T2)
-4.47-(-7.08) = 24054.4 (1.5 x 10^-3 -1/T2 )
2.61= 24054.4 (1.5 x 10^-3 -1/T2 )
1.09 x 10^-4 =1.5 x 10^-3 -1/T2
1/T2 =1.5 x 10^-3 -1.09 x 10^-4
1/T2= 1.391 x 10^-3
T2= 1/1.391 x 10^-3
= 720 K
The activation energy for the gas phase decomposition of ethyl acetate is 200 kJ. CH3COOC2H5 -->...
The activation energy for the gas phase decomposition of ethyl acetate is 200 kJ. CH3COOC2H, CH,COOH + C,H, The rate constant at 674 K is 1.02x10°/s. The rate constant will be 7.23x10°/s at Submit Answer Try Another Version 2 item attempts remaining
1. The activation energy for the gas phase decomposition of chloroethane is 254 kJ. CH3CH2Cl--->C2H4 + HCl The rate constant at 750 K is 7.99×10-4 /s. The rate constant will be 5.61×10-3 /s at_____ K 2. The activation energy for the gas phase decomposition of chloroethane is 254 kJ. CH3CH2Cl--->C2H4 + HCl The rate constant at 756 K is 1.09×10-3 /s. The rate constant will be___ /s at 786 K.
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The activation energy for the gas phase decomposition of t-butyl acetate is 170 kJ/mol. CH3COOC(CH3)3 (CH3)2C=CH2 + CH3COOH The rate constant for this reaction is 6.87x10 sl at 538 K. What is the rate constant at 569 K?
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decomposition of difluoroperoxide is
72.4 kJ.
F2O2F2
+ O2
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