A sealed test tube traps $25\mathrm{.}2$ cm$3$cm$3$ of air at a pressure of $1\mathrm{.}00$ atm and temperature of $19$C$$C$.$ The test tube's stopper has a diameter of $1\mathrm{.}50$ cmcm and will "pop off" the test tube if a net upward force of $11\mathrm{.}9$ NN is applied to it$.$