Using the below information, calculate the amount of heat needed to take 100g of Substance X from a liquid state at its melting point to the gaseous state at its boiling point. The molar mass of substance X is 78.11 g/mol)
Physical Constants for Substance X
ΔHvap = 33.9 kJ/mol
ΔHfus = 9.81 kJ/mol
csolid = 1.51 J/gºC
cliquid = 1.73 J/gºC
cgas = 1.06 J/gºC
Tmelt = 279.0K
Tboiling = 353.0 K