(Solved): Which of the following molecules has the strongest London dispersion forces? \[ \mathrm{CH}_{3} \ma ...

Which of the following molecules has the strongest London dispersion forces? \[ \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{SH} \] \( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3} \) \( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{SH} \) \( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{SH} \) What is the energy (in \( \mathrm{kJ}) \) needed to take \( 1.00 \mathrm{~mol}\left(18.01 \mathrm{~g}\right. \) ) of ice from \( -25^{\circ} \mathrm{C} \) to liquid water at \( 20^{\circ} \mathrm{C} \) given that: specific heat of ice \( =2.03 \mathrm{~J} / \mathrm{g} . \mathrm{K} \) Specific heat of liquid water \( =4.18 \mathrm{~J} / \mathrm{g} . \mathrm{K} \) Specific heat of water vapor \( =1.996 \mathrm{~J} / \mathrm{g} . \mathrm{K} \) Heat of fusion of water \( =6.01 \mathrm{~kJ} / \mathrm{mol} \) Heat of vaporization of water \( =40.67 \mathrm{~kJ} / \mathrm{mol} \) \( 12.2 \mathrm{~kJ} \) \( 2.43 \mathrm{~kJ} \) \( 52.9 \mathrm{~kJ} \) 138. kJ \( 8.43 \mathrm{~kJ} \) Which of these molecules is more volatile (that is, which one has the highest vapor pressure) under identical conditions? \( \mathrm{CH}_{3} \mathrm{Cl} \) \( \mathrm{CH}_{4} \) \( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH} \) \( \mathrm{H}_{2} \mathrm{O} \)