The following reaction has an activation energy of 262 kj/mol.
c4h8(g) > 2c2h4(g)
at 600.0 k the rate constant is 6.1*10^-8s^-1. what is the value of the rate constant at 750.0 k?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this