Separation in bulk is entropy disfavored. show by a simple calculation that a separation with vr =3 is entropy favored. that is δs≠0

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock