19. Chemical Thermodynamics
Entropy
Multiple Choice
Multiple ChoiceDiethyl ether (C4H10O2, MW = 90.1 g/mol) has a boiling point of 35.6oC and heat of vaporization of 26.7 kJ/mol. What is the change in entropy (in kJ/K) when 3.2 g of diethyl ether at 35.6oC vaporizes at its boiling point?
A
∆S = 3.07 x 10-3
B
∆S = 3.07 x 103
C
∆S = 9.48 x 10-1
D
∆S = 9.48 x 10-3
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