$\mathrm{}$One gram of water is placed in the cylinder and the pressure is maintained at $2\mathrm{.}0$x$10\mathrm{⁵}$Pa$.$  The temperature of the water is raised by $31$^oC$.$  The water is in the liquid phase and expands by the small amount of $\mathrm{}$

$1\mathrm{.}0$x$1\mathrm{0 }$^--8 m$\mathrm{³}.$ Find the work done and the change in internal energy.