Van der Waals Equation Video Lessons

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Problem: The graph below shows the change in pressure as the temperature increases for a 1-mol sample of a gas confined to a 1-L container. The four plots correspond to an ideal gas and three real gases: CO2, N2, and Cl2.Use the van der Waals constants in the table below to match the labels in the plot (A, B, and C) with the respective gases (CO2, N2, and Cl2).

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Problem Details

The graph below shows the change in pressure as the temperature increases for a 1-mol sample of a gas confined to a 1-L container. The four plots correspond to an ideal gas and three real gases: CO2, N2, and Cl2.
A graph of pressure versus temperature shows that gas B and an ideal gas follow nearly the same trend while gases A and C are parallel but lower pressure at the same temperatures. The x-axis is temperature in Kelvin, ranging from 250 to 550 with intervals of 50. The y-axis is pressure in atmospheres, ranging from 15 to 45 with intervals of 5.

Use the van der Waals constants in the table below to match the labels in the plot (A, B, and C) with the respective gases (CO2, N2, and Cl2).

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Based on our data, we think this problem is relevant for Professor Bliem's class at UNC.