$\begin{array}{l}\begin{array}{c}9.98 \mathrm{~atm} 0.31 \\ \mathrm{C}_{\mathrm{ms}}=148.99 \mathrm{~ms}^{-1}\end{array} \begin{array}{c}29^{\circ} \mathrm{C}, \mathrm{cm}(11 \mathrm{~g}) \\ \mathrm{C}_{\mathrm{ms}}=412.38 \mathrm{~ms}^{-1} (B)\end{array} \\ \text { (A) } \\ \text { } \\\end{array}$