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 -10. °C boiling point 40. °C enthalpy of vaporization enthalpy of fusion 5.00 kJ/mol 24.00 kJ/mol 1.90 g/cm (solid) 1.50 g/mL (liquid) -1 density 45. J-Kmol (solid) heat capacity 57. J-Kmol - 1 (liquid) 76. 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 -20 °C is put into an evacuated flask and heated at a constant rate until 10.0 kJ/mol of heat has been added to the sample. Graph the temperature of the sample that would be observed during this experiment. 80- 70- 60- 50- 40- (5.) olo 80- 70- 60- 50- 40- 30- 20- 10- 0- -10- -20- heat added (kJ/mol) temperature (*C)

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 -10. °C boiling point 40. °C enthalpy of vaporization enthalpy of fusion 5.00 kJ/mol 24.00 kJ/mol 1.90 g/cm (solid) 1.50 g/mL (liquid) -1 density 45. J-Kmol (solid) heat capacity 57. J-Kmol - 1 (liquid) 76. 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 -20 °C is put into an evacuated flask and heated at a constant rate until 10.0 kJ/mol of heat has been added to the sample. Graph the temperature of the sample that would be observed during this experiment. 80- 70- 60- 50- 40- (5.) olo 80- 70- 60- 50- 40- 30- 20- 10- 0- -10- -20- heat added (kJ/mol) temperature (*C)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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 enthalpy of fusion - 10. °C boiling point 4.00 kJ/mol enthalpy of vaporization 30. °C 39.00 kJ/mol 3 1.60 g/cm³ (solid) 1 1 density 44. J.K ·mol (solid) 1.30 g/mL (liquid) 1 -1 heat capacity 64. J.K ·mol (liquid) 1 1 54. 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 10.0 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) 50- 40 30. 20 10. -10 -20 -30 -40 -50 0 1 2 3 4 5 6 7 8 9 10 heat added (kJ/mol) ☑ ? 00. 18 Ar
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