Heating and Cooling Curves

13. Liquids, Solids & Intermolecular Forces / Heating and Cooling Curves / Problem 6

Problem 6

Calculate the energy involved in kJ in the conversion of 503 g of steam at 373 K to ice at 254 K

C_H2O(s)= 2.06 J/g.°C
C_H2O(l) = 4.18 J/g.°C
C_H2O(g) = 2.03 J/g.°C
ΔH_vap = 40.6 kJ/mol
ΔH_fus = 6.02 kJ/mol

906.36 kJ

-803.69 kJ

736.89 kJ

-1531.58 kJ

Calculate the energy involved in kJ in the conversion of 503 g of steam at 373 K to ice at 254 KCH2O(s) = 2.06 J/g.°CCH2O(l) = 4.18 J/g.°CCH2O(g) = 2.03 J/g.°CΔHvap = 40.6 kJ/molΔHfus = 6.02 kJ/mol