$1)1$ mole of N$2$ initially at $1$ atm, $24\mathrm{.}5$ L$,$ and $298$ K in an expandable closed system is heated under isobaric conditions to $398$ K$.$ What is the final state of the gas at equilibrium? Draw a graph representing the path of this state change by plotting the non$-$constant variables on the X and Y axes.