The key is the heat of fusion: 7.27 kJ is released for each mole of diethyl ether that freezes at its freezing point. 2950 g (C2H5)2O x (1 mol (C2H5)2O / 74.0g (C2H5)2O) x (7.27 kJ / 1 mol (C2H5)2O) = 290. kJ
Heat of fusion = 7.27kJ/mol
®PLEASE MARK AS BRAINLIEST TO HELP ME LEVEL UP®
