Yes, gasses can exist in one phase, homogeneously mixed or 'spreaded'
Difusion in air. Osmosis in water.
no
a homogeneous mixture
a solution
Diffusion.
It is a homogeneous solution.
Homogeneous mixtures, or solutions.
In a homogeneous mixture particles are spread evenly.
homogenous mixtures? miscible liquids? Shayna; Solution?
This is a nonhomogeneous mixture.
no
A solution. A "solution" is not a process. The process of particles spreading evenly through a mixture is called dispersion or diffusion.