Dinitrogen pentoxide decomposes in the gas phase to form nitrogen dioxide and oxygen gas. The reaction is first order in dinitrogen pentoxide and has a half$-$life of $2\mathrm{.}67h$ at $25C.$

Part A

If a $1\mathrm{.}8L$ reaction vessel initially contains $750$ Torr of $N_2{O}_5$ at $25C,$ what partial pressure of $O_2$ will be present in the vessel after $205$ minutes?

Express your answer in torr as an integer.

$P=$

Torr