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 25. °C boiling point 55. °C enthalpy of fusion 9.00 kJ/mol enthalpy of 49.00 kJ/mol vaporization 2.00 g/cm? (solid) density 37. J·Kmol 1 -1 (solid) dlo 1.70 g/mL (liquid) heat capacity 51. J-Kmol (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 0 °C is put into an evacuated flask and heated at a constant rate until 15.0 kJ/mol of heat has been added to the sample. Graph the temperature of the sample that would be observed during this experiment. 100 90 80 70 60 50 40 30 20 10 10 15 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 25. °C boiling point 55. °C enthalpy of fusion 9.00 kJ/mol enthalpy of 49.00 kJ/mol vaporization 2.00 g/cm? (solid) density 37. J·Kmol 1 -1 (solid) dlo 1.70 g/mL (liquid) heat capacity 51. J-Kmol (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 0 °C is put into an evacuated flask and heated at a constant rate until 15.0 kJ/mol of heat has been added to the sample. Graph the temperature of the sample that would be observed during this experiment. 100 90 80 70 60 50 40 30 20 10 10 15 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
25. °C
boiling point
55. °C
enthalpy of fusion
9.00 kJ/mol
enthalpy of
49.00 kJ/mol
vaporization
2.00 g/cm? (solid)
density
37. J·Kmol
1
-1
(solid)
dlo
1.70 g/mL (liquid)
heat capacity
51. J-Kmol (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 0 °C is put into an evacuated flask and heated at a constant rate until 15.0 kJ/mol of heat has been added to the sample. Graph
the temperature of the sample that would be observed during this experiment.
100
90
80
70
60
50
40
30
20
10
10
15
heat added (kJ/mol)
temperature (*C)

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