Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the temperature. Additionally, the values of these other properties of X have been determined: melting point enthalpy of fusion 35. °C 9.00 kJ/mol boiling point 90. °C enthalpy of vaporization 23.00 kJ/mol 1.70 g/cm³ (solid) density 26. J.K mol (solid) 1.40 g/mL (liquid) heat capacity 49. JK mol (liquid) 45. JK mol (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a small sample of X at 20 °C is put into an evacuated flask and heated at a constant rate until 8.0 kJ/mol of heat has been added to the sample. Graph the temperature of the sample that would be observed during this experiment. temperature (°C) 120- 110- 100- 90 80 70- 60- 50- 40- 30- heat added (kJ/mol)