2. What are the units of a? mol What are the units of b? mol For carbon dioxide the numerical value of a is 3.592 and the numerical value of b is 0.0429. 43.5 atm Use the van der Waals equation to calculate the pressure of a sample of carbon dioxide at 55.0 °C with a molar volume of 0.515 L/mol. Round your answer to 3 significant digits. Use the Ideal Gas Law to calculate the pressure of the same sample under the same conditions. Round this answer to 3 significant digits also. 43.5 atm

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Your answer is incorrect.
Row 1: Your answer is wrong. Please read the Explanation for more help.
• Row 4: Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations.
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.
L
What are the units of a?
mol
What are the units of b?
mol
Transcribed Image Text:Your answer is incorrect. Row 1: Your answer is wrong. Please read the Explanation for more help. • Row 4: Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. 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. L What are the units of a? mol What are the units of b? mol
L
Ox10
What are the units of a?
mol
L
What are the units of b?
mol
For carbon dioxide the numerical value of a is 3.592 and the
numerical value of b is 0.0429.
43.5 atm
Use the van der Waals equation to calculate the pressure of a
sample of carbon dioxide at 55.0 °C with a molar volume of
0.515 L/mol. Round your answer to 3 significant digits.
Use the Ideal Gas Law to calculate the pressure of the same
sample under the same conditions. Round this answer to 3
significant digits also.
43.5 atm
A olo
Transcribed Image Text:L Ox10 What are the units of a? mol L What are the units of b? mol For carbon dioxide the numerical value of a is 3.592 and the numerical value of b is 0.0429. 43.5 atm Use the van der Waals equation to calculate the pressure of a sample of carbon dioxide at 55.0 °C with a molar volume of 0.515 L/mol. Round your answer to 3 significant digits. Use the Ideal Gas Law to calculate the pressure of the same sample under the same conditions. Round this answer to 3 significant digits also. 43.5 atm A olo
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