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 120. °C enthalpy of vaporization enthalpy of fusion 7.00 kJ/mol 34.00 kJ/mol 1.60 g/cm (solid) 1.40 g/mL (liquid) density 48. J-K.mol (solid) heat capacity 61. J.K.mol (liquid) 82. 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 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. 150- 140- 130- 120- 110- 100- 90- 80 70 60- 50+ 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 80. °C boiling point 120. °C enthalpy of vaporization enthalpy of fusion 7.00 kJ/mol 34.00 kJ/mol 1.60 g/cm (solid) 1.40 g/mL (liquid) density 48. J-K.mol (solid) heat capacity 61. J.K.mol (liquid) 82. 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 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. 150- 140- 130- 120- 110- 100- 90- 80 70 60- 50+ 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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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
120. °C
enthalpy of
vaporization
enthalpy of fusion
7.00 kJ/mol
34.00 kJ/mol
1.60 g/cm (solid)
1.40 g/mL (liquid)
density
48. J-K.mol (solid)
heat capacity
61. J.K.mol (liquid)
82. 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 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.
150-
140-
130-
120-
110-
100-
90-
80
70
60-
50+
10
15
heat added (kJ/mol)
temperature (*c)
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