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 8.00 kJ/mol 2.80 g/cm (solid) 2.30 g/ml. (Niquid) boiling point enthalpy of vaporization heat capacity 110, "C 48.00 kJ/mol 26. J-K 39, J-K 35. JK 1 mol (solid) 1 mol (liquid) 11 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.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![temperature (°C)
150
140-
130-
120-
110-
100
90
80
70-
60-
50-
2
3
heat added (kJ/mol)
X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ba7a132-7931-4407-922e-a5b40e804180%2Fd84dee80-4815-4618-a9d7-df28df6a3054%2Fmdu8ka_processed.jpeg&w=3840&q=75)
![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:
temperature ("C)
melting point
enthalpy of fusion
E
density
130-
DE
120-
118-
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.
IM-
00
75. "C
8.00 kJ/mol
2.80 g/cm² (solid)
2.30 g/ml. (liquid)
10-
boiling point
enthalpy of
vaporization
heat capacity
1
110, "C
48.00 kJ/mol
X
26. J-K
39, J-K mol
mol (solid)
1
(liquid)
35. J-K-mol (vapor)
FA
5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ba7a132-7931-4407-922e-a5b40e804180%2Fd84dee80-4815-4618-a9d7-df28df6a3054%2Furafrlp_processed.jpeg&w=3840&q=75)
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