jacob871 jacob871

19-10-2017
Chemistry

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how much energy is released when 2.95 kg of diethyl ether freezes?

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rach5566 rach5566

19-10-2017

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

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