How much heat is required to convert 12.1 g of liquid benzene ( C6H6 ) at 53.0 ∘C to gaseous benzene at 100. ∘C ? The boiling point of benzene is 80.1 ∘C and Cm [ C6H6(l) ] = 136.0 J/(mol⋅∘C) , and ΔHvap = 30.72 kJ/mol , Cm [ C6H6(g) ] = 82.4 J/(mol⋅∘C) .
Express your answer with the appropriate units.