Let be a twice differentiable function such that for all . If and satisfies , where , then the area of the region R = {(x, y) | 0 y f(ax), 0 x 2\ is :
A certain reaction is 50 complete in 20 minutes at 300 K and the same reaction is 50 complete in 5 minutes at 350 K. Calculate the activation energy if it is a first order reaction. Given: