Enthalpy change for freezing of 1 g of water at 1 bar and `0^(@)C` is 334 J. Calculate the internal energy change in J when 1 g of water is converted into ice ?

Options

A. 205
B. 334
C. 0
D. 668

Answer

B

Explanation

When 1 g water is converted into ice then internal energy is equal to enthalpy change for freezing at 1 bar and `0^(@)C`.
`1 g H_(2)O (aq) hArr H_(2)O`(ice)
Enthalpy change for freezing of 1 g of water at 1 bar and `0^(@)C` temperature is 334 J.
Hence, internal energy equal to 334 J.