a$)$ How much work is required to compress $4\mathrm{.}97$ mol of air at $19\mathrm{.}5$C and $1\mathrm{.}00$ atm to one$-$twelfth of the original volume by an isothermal process?

kJ

$($b$)$ How much work is required to produce the same compression in an adiabatic process?

kJ

$($c$)$ What is the final pressure in part $($a$)?$

atm

$($d$)$ What is the final pressure in part $($b$)?$

atm