$($a$)$ An ideal gas maintained at a constant pressure of $139$ kPa receives $7\mathrm{.}5102$ J of heat. If the internal energy of the gas increases by $492$ J$,$ determine the change in volume of the gas.

m$3$

$($b$)$ What is the change in volume if the increase in internal energy is $7\mathrm{.}5102$ J$?$

m$3$