A sample of 0.1 g of water at $100^oC$ and normal pressure ($1.013 \times 10^5 Nm^{-2}$) requires 54 cal of heat energy to convert to steam at $100^oC$. If the volumn of the steam produced is 167.1 cc, the change in internal energy of the sample, is

Question

( A ) 84.5 J
( B ) 208.7 J
( C ) 42.5 J
( D ) 104.3 J