a beaker contains 200mL of ethyl alcohol at 20degrees. what is the minumum amount of energy that must be removed to produce solid ethyl alcohol..
the melting/freezing pt is 114degrees Lf=1.09x10^5
density is 790kg/m^3
specific heat cap = 2400J/kgK
The Attempt at a Solution
i think i did somethign wrong because in the book it says the answer is 68000J can someone help me out i dont know what i did wrong?