Question

HELP with Arrhenius eq.
http://www.youtube.com/watch?v=G7g0Wa4oFsk

why at 4:13 did the Ea/8.314 become a negative?

Answer 1

because he solved the bracket:

\(...=\dfrac{Ea}{R}*(\dfrac{1}{725}-\dfrac{1}{485})\)

\(...=\dfrac{Ea}{R}*(\color{red}-0.0006825453252755)\)

\(...=\color{red}{-}\dfrac{Ea}{R}*(6.82545*10^{-3})\)

Answer 2

thanks soo much...haha wow how did I miss that??

Answer 3

haha it happens. no problem, though