Calculate the change in entropy that occurs in the system when 1.00 mole of diethyl ether (C₄H₁₀O) condenses from a gas to a liquid at its normal boiling point (34.6 °C). See Table 12.7 for heats of vaporization.

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TABLE 12.7 Heats of Vaporization of Several Liquids at Their Boiling Points and at 25 °C A Hvap (kJ/mol) at Boiling Point A Hvap (kJ/mol) at 25 °C 40.7 44.0 39.9 45.4 Liquid Water Isopropyl alcohol Acetone. Diethyl ether Chemical Formula H₂O C3H₂O C3H₂O C4H10O Normal Boiling Point (°C) 100 82.3 56.1 34.6 29.1 26.5 31.0 27.1