Chapter 11: Problem 42

The critical point for carbon tetrachloride is at \(283^{\circ} \mathrm{C}\) and \(4.5 \times 10^{3}\) kPa. The triple point is at \(-87.0^{\circ} \mathrm{C}\) and 28.9 \(\mathrm{kPa}\) . The normal boiling point is \(76.7^{\circ} \mathrm{C}\) . Sketch the phase diagram.

Short Answer

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The phase diagram of carbon tetrachloride can then be visualized by these points and lines, showing the relationships between temperature, pressure, and the states of matter.

Step by step solution

Identify the Important Points

Firstly, identify the critical point, the triple point, and the normal boiling point from the given data. The critical point is at \(283 ^{\circ} C\) and \(4.5 \times 10^{3}\) kPa, the triple point is at \(-87.0^{\circ} C\) and 28.9 kPa, and the normal boiling point is at \(76.7^{\circ} C\).

Plot the Points

Draw an X-Y graph where the x-axis represents the temperature and the y-axis represents the pressure. Mark and label the critical point, the triple point and the normal boiling point on the graph. Please understand that the temperature should be measured in degrees Celsius and the pressure in kilopascals.

Draw the Phase Transition Lines

Next, draw the lines representing phase transitions. Connect the triple point to the critical point. This line represents the boundary between liquid and gas phases. Draw a vertical line from the triple point downwards. This line represents the boundary between the solid and liquid phases. Then, draw a roughly horizontal line to the left from the triple point. This represents the boundary between the solid and gas phases. Finally, make sure all three regions corresponding to solid, liquid, and gas phases are clearly labeled.

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The critical point for carbon tetrachloride is at \(283^{\circ} \mathrm{C}\) and \(4.5 \times 10^{3}\) kPa. The triple point is at \(-87.0^{\circ} \mathrm{C}\) and 28.9 \(\mathrm{kPa}\) . The normal boiling point is \(76.7^{\circ} \mathrm{C}\) . Sketch the phase diagram.

Short Answer

Step by step solution

Identify the Important Points

Plot the Points

Draw the Phase Transition Lines

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