How far is it from H to G?

What is the equilibrium constant of aa+bb=cc+dd

In 2002, the rare earth elements mine in mountain pass, california was closed because

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