At $\mathrm{T}(\mathrm{K})$, the RMS velocity of $\mathrm{He}$ is equal to $\mathrm{RMS}$ velocity of…
At $\mathrm{T}(\mathrm{K})$, the RMS velocity of $\mathrm{He}$ is equal to $\mathrm{RMS}$ velocity of $\mathrm{SO}_2$ at $127^{\circ} \mathrm{C}$. What is $\mathrm{T}($ in $\mathrm{K}) ?$