What amount of heat, in kJ$,$ is required to convert $2\mathrm{.}40$ g of water at $67\mathrm{.}0\backslash$deg C to $2\mathrm{.}40$ g of steam at $100\mathrm{.}0\backslash$deg C$?($specific heat capacity of water $=4\mathrm{.}184$ J$/$g $\backslash$deg C; $$Hvap $=40\mathrm{.}7$ kJ$/$mol$)$