2 temperature (°C)150-140--001120-110-100-W-076--09heat added (kJ/mol)XS 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 Xhave been determined:melting pointenthalpy of fusiondensity75. °C9.00 kJ/mol2.40 g/cm³ (solid)2.20 g/mL. (liquid)boiling pointenthalpy ofvaporizationheat capacity115. "C36.00 kJ/mol25. J-Kmol (solid)-140. JKmol (liquid)42. JK 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 6.0 kJ/mol of heat has been added to the sample.Graph the temperature of the sample that would be observed during this experiment.

Given: Initial temperature of X = 50oC Total amount of heat= 6.0 kJ/mol Melting point of X =75oC…

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 75. "C boiling point 115. °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 75. "C boiling point 115. °C

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter9: Liquids, Solids, And Materials

Section: Chapter Questions

Problem 98QRT

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Question

temperature (°C)
150-
140
--001
120-
110-
100-
W
-0
76-
-09
heat added (kJ/mol)
X
S

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
density
75. °C
9.00 kJ/mol
2.40 g/cm³ (solid)
2.20 g/mL. (liquid)
boiling point
enthalpy of
vaporization
heat capacity
115. "C
36.00 kJ/mol
25. J-K
mol (solid)
-1
40. JK
mol (liquid)
42. JK 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 6.0 kJ/mol of heat has been added to the sample.
Graph the temperature of the sample that would be observed during this experiment.

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