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redfly839Lv1
28 Sep 2019
How much heat energy is required to convert 67.9 g of solid ethanol at -114.5 °C to gasesous ethanol at 183.0 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C.
How much heat energy is required to convert 67.9 g of solid ethanol at -114.5 °C to gasesous ethanol at 183.0 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C.
Jean KeelingLv2
30 Sep 2019
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