This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Taking the ln of both sides of the equation gives: ln k = ln A- E a 1 R T which has the linear form y = b + mx, with y = ln k , b = ln A, m = -E a /R and x = 1/T. A plot of ln k versus 1/T should be linear with slope = -E a /R . While it is possible to calculate the values of E a and A from the slope and the y-intercept of the plot, the linear form can be used directly to calculate k at any temperature because the slope and y-intercept are known. In this case ln A = 31.3-(E a /R) = -2.41E+4 K T = 619 K Substituting these into the linear equation gives ln k = 31.3 + (-2.41E+4 )(1/ 619 ) = -7.63 k = e-7.63 = 4.86E-4 s-1...
View Full Document