1.Which incorrect assumptions about gases are corrected by a and b in the van der Waals equation? 2.Use the values of a and b in the table below and the van der Waals equation to calculate the real pressure of 2.55 moles of methane in a cylinder of volume 150.0 mL at a temperature of 332 K.
1.Which incorrect assumptions about gases are corrected by a and b in the van der Waals equation? 2.Use the values of a and b in the table below and the van der Waals equation to calculate the real pressure of 2.55 moles of methane in a cylinder of volume 150.0 mL at a temperature of 332 K.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.54QE
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1.Which incorrect assumptions about gases are corrected by a and b in the van der Waals equation?
2.Use the values of a and b in the table below and the van der Waals equation to calculate the real pressure of 2.55 moles of methane in a cylinder of volume 150.0 mL at a temperature of 332 K.
Transcribed Image Text:Substance
He
Ne
Ar
H₂
N₂
0₂
CO
F₂
a
(m6 Pa mol-²)
3.457 x 10-3
2.135 x 10-2
1.363 x 10-1
2.476 x 10-2
1.408 × 10-¹
1.378 x 10-1
1.505 x 10-1
1.156 × 10-¹
b
(m³ mol-¹)
2.37 x 10-5
1.709 x 10-5
3.219 x 10-5
2.661 × 10-5
3.913 x 10-5
3.183 x 10-5
3.985 x 10-5
2.90 × 10-5
Substance
Cl₂
CO₂
H₂O
NH3
CH4
C₂H6
C6H6
a
(m6 Pa mol-²)
6.579 × 10-¹
3.640 × 10-¹
5.536 x 10-1
4.225 x 10-¹
2.283 x 10-¹
5.562 × 10-¹
1.824 x 10-1
b
(m³ mol-¹)
5.622 x 10-5
4.267 x 10-5
3.049 x 10-5
3.707 x 10-5
4.278 x 10-5
6.38 x 10-5
1.154 x 10-5
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