Considering ideal gas behavior, the expansion work done (in kJ ) when 144 g of water is electrolyzed completely under constant pressure at 300 K is $\_\_\_\_$ .
Use: Universal gas constant $(R)=8.3 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$; Atomic mass (in amu): $\mathrm{H}=1, \mathrm{O}=16$
