Dexter has developed a special knockout gas that is kept in a $0\mathrm{.}0750-$m$3$ cylinder at a temperature of $17\mathrm{.}50$C$.$

$($a$)$ If the container is holding $12$ mol of gas, what is the gas pressure?

Pa

$($b$)$ If the radius of the top of the cylinder is $0\mathrm{.}35$ m$,$ what is the force the gas exerts on the top of the cylinder?

N