$($E$13$F$\mathrm{.}3$a modified$)$ Calculate the equilibrium constant of the reaction $I_2(g)=2I(g)$ at $1000K$ from the following data for $I_2,$tilde$(v)=214\mathrm{.}36c{m}^{-1},$tilde$(B)=0\mathrm{.}0373c{m}^{-1},$hcwidetilde$(D_0)=1\mathrm{.}475{10}^5\frac{J}{m}ol.$ The ground state of the I atom has fourfold degeneracy.

$($E$16$A$\mathrm{.}2$b modified$)$ Calculate the diffusion coefficient of nitrogen at $20C$ and $20$MPa. If a pressure gradient of $\frac{1\mathrm{.}20}{b}ar\frac{?}{m}$ is established in a pipe, what is the flow of gas $($in $mo\frac{l}{m^2}s)$ due to diffusion? For nitrogen: $M=28\mathrm{.}02\frac{g}{m}ol$ and $=0\mathrm{.}43n{m}^2.$