Recent content by carrera901

Hey all I have trouble understanding something about the Equilibrium constant. If you have this chemical equilibrium: pA + qB \Leftrightarrow rC + sD You can define the equilibrium constant with [C]r [D]s ______ = K [A]p [B]q I don't understand why you multiply the concentrations...

Hello there. Monday I will have a test for physics about drawing force vectors on objects. The problem is there are not many exercises in the book I can practice with. So does anyone know a site or something where I can find exercises on how to draw the vectors? I am really sorry if this...