Substance X Has a Heat of Vaporization of 47 $\to$ X(g)at 1 Atm and 423°C Calculate the Value Of

question 53

Multiple Choice

Substance X has a heat of vaporization of 47.1 kJ/mol at its normal boiling point (423°C) .For the process X(l) $\to$ X(g) at 1 atm and 423°C calculate the value of $\Delta$ S.

• A)0
• B)67.7 J/K mol
• C)111 J/K mol
• D)-67.7 J/K mol
• E)-111 J/K mol

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