Solid naphthalene is converted directly to gaseous naphthalene at its melting/boiling temperature by first melting and then vaporizing. Given $
\Delta H_\text{fus} = 19\,\text{kJ\,mol}^{-1}and\Delta H_\text{vap} = 45\,\text{kJ\,mol}^{-1},determinethequantityofenergy(inkJ)thatmustbetransferredwhen0.050\,\text{mol}$ of solid naphthalene undergoes this complete conversion and state whether the overall process is endothermic or exothermic.