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 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. temperature (°C) 40 20 10- heat added (kJ/mol) X 5

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Chapter9: Liquids And Solids
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O STATES OF MATTER
Drawing a heating curve
temperature (
80-
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 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.
70-
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Explanation
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O STATES OF MATTER
Drawing a heating curve
11
melting point
enthalpy of fusion
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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
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density
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2.40 g/mL (liquid)
S
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 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.
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vaporization.
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heat capacity
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