The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to predict the relationship between pressure p, volume V and temperature T for gases better than the Ideal Gas Law does: p+a, (v-nb) = nRT The van der Waals equation of state. R stands for the gas constant and n for moles of gas. The parameters a and b must be determined for each gas from experimental data. Use the van der Waals equation to answer the questions in the table below. What are the units of a? What are the units of b? ? For carbon dioxide the numerical value of a is 3.592 and the numerical value of b is 0.0429. Use the van der Waals equation to calculate the pressure of a sample of carbon dioxide at 45.0 °C with a molar volume of 3.86 L/mol. Round your answer to the correct number of significant digits. atm Use the Ideal Gas Law to calculate the pressure of the same sample under the same conditions. Round your answer to the correct number of significant digits. atm
The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to predict the relationship between pressure p, volume V and temperature T for gases better than the Ideal Gas Law does: p+a, (v-nb) = nRT The van der Waals equation of state. R stands for the gas constant and n for moles of gas. The parameters a and b must be determined for each gas from experimental data. Use the van der Waals equation to answer the questions in the table below. What are the units of a? What are the units of b? ? For carbon dioxide the numerical value of a is 3.592 and the numerical value of b is 0.0429. Use the van der Waals equation to calculate the pressure of a sample of carbon dioxide at 45.0 °C with a molar volume of 3.86 L/mol. Round your answer to the correct number of significant digits. atm Use the Ideal Gas Law to calculate the pressure of the same sample under the same conditions. Round your answer to the correct number of significant digits. atm
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Chapter5: The Gaseous State
Section: Chapter Questions
Problem 5.127QP: A 1.000-g sample of an unknown gas at 0C gives the following data: P(atm) V (L) 0.2500 3.1908 0.5000...
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Transcribed Image Text:The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to predict the relationship
between pressure p, volume V and temperature T for gases better than the Ideal Gas Law does:
|(V-nb) =nRT
The van der Waals equation of state. R stands for the gas constant and n for moles
of gas.
The parameters a and b must be determined for each gas from experimental data.
Use the van der Waals equation to answer the questions in the table below.
x10
What are the units of a?
What are the units of b?
For carbon dioxide the numerical value of a is 3.592 and the
numerical value of b is 0.0429.
Use the van der Waals equation to calculate the pressure of a
sample of carbon dioxide at 45.0 °C with a molar volume of
3.86 L/mol. Round your answer to the correct number of
significant digits.
atm
Use the Ideal Gas Law to calculate the pressure of the same
sample under the same conditions. Round your answer to the
correct number of significant digits.
atm
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