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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 80. °C boiling point 140. °C 9.00 kJ/mol enthalpy of vaporization enthalpy of fusion 44.00 kJ/mol 2.50 g/cm³ (solid) 1.90 g/mL (liquid) density 26. J.K¯! • mol (solid) heat capacity 46. J.K.mol (liquid) 43. J-K •mol¯! (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a small sample of X at 50 °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.

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 80. °C boiling point 140. °C 9.00 kJ/mol enthalpy of vaporization enthalpy of fusion 44.00 kJ/mol 2.50 g/cm³ (solid) 1.90 g/mL (liquid) density 26. J.K¯! • mol (solid) heat capacity 46. J.K.mol (liquid) 43. J-K •mol¯! (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a small sample of X at 50 °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.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter9: Liquids And Solids
Section: Chapter Questions
Problem 23QAP: A pure substance X has the following properties: Mp=90C, increasing slightly as pressure increases;...
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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 80. °C boiling point 140. °C enthalpy of vaporization enthalpy of fusion 9.00 kJ/mol 44.00 kJ/mol 2.50 g/cm (solid) 1.90 g/mL (liquid) density 26. J-K¯1.mol (solid) -1 heat capacity 46. J.K.mol (liquid) 43. J-K.mol (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a small sample of X at 50 °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. 150- 140- 130- 120- 110- 100- 90- 80- 70- 60- 50- heat added (kJ/mol) temperature (*C)
Transcribed Image Text: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 80. °C boiling point 140. °C enthalpy of vaporization enthalpy of fusion 9.00 kJ/mol 44.00 kJ/mol 2.50 g/cm (solid) 1.90 g/mL (liquid) density 26. J-K¯1.mol (solid) -1 heat capacity 46. J.K.mol (liquid) 43. J-K.mol (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a small sample of X at 50 °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. 150- 140- 130- 120- 110- 100- 90- 80- 70- 60- 50- heat added (kJ/mol) temperature (*C)
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