A certain reaction has an activation energy of 48.97 kJ/mol. At what Kelvin temperature will the reaction proceed 6.50 times faster than it did at 295 K?
Given:
T1 = 295 oC
=(295+273)K
= 568 K
K2/K1 = 6.5
Ea = 48.97 KJ/mol
= 48970 J/mol
use:
ln(K2/K1) = (Ea/R)*(1/T1 - 1/T2)
ln(6.5) = (48970.0/8.314)*(1/568 - 1/T2)
1.8718 = 5890.065*(1/568 - 1/T2)
T2 = 693 K
Answer: 693 K
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