The relation between K and T is:
K = A*e^(-Ea/RT)
taking ln on both sides, above expression becomes,
ln K = ln A - Ea/RT
So, slope between ln K and 1/T will have a value of -Ea/R and y intercept is ln A
So, Ea can be calculated fr
ln K = ln A - Ea/RT
ln K = y + slope/T
ln K = 30.7 + (-2.04*10^4)/533
ln K = 30.7 - 38.3
ln K = -7.6
K = 5*10^-4 s-1
Answer: 5*10^-4 s-1
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