The Normal Boiling Point of C₂Cl₃F₃ Is 47

question 87

Multiple Choice

The normal boiling point of C₂Cl₃F₃ is 47.6 °C and its molar enthalpy of vaporization is 27.49 kJ/mol.What is the change in entropy in the system in J/K when 28.6 grams of C₂Cl₃F₃ vaporizes to a gas at the normal boiling point?

• A)-13.1
• B)-4.19
• C)4.19
• D)13.1
• E)27.5

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