Calculate the Entropy of Vaporization of Ethanol, C₂H₅OH, at 298

question 9

Multiple Choice

Calculate the entropy of vaporization of ethanol, C₂H₅OH, at 298 K from the following data. The constant-pressure molar heat capacities of ethanol as liquid and vapour are 111.46 and 65.44 J K^-1 mol^-1 respectively. The enthalpy of vaporization of ethanol at its boiling temperature, 352 K, is 38.56 kJ mol^-1.

• A) +117.21 J K^-1 mol^-1
• B) +139.01 J K^-1 mol^-1
• C) +109.55 J K^-1 mol^-1
• D) +29.46 J K^-1 mol^-1

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Distinguish between different types of corporations based on jurisdiction and stock ownership.

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