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. SubstanceHeNeArH₂N₂0₂COF₂a(m6 Pa mol-²)3.457 x 10-32.135 x 10-21.363 x 10-12.476 x 10-21.408 × 10-¹1.378 x 10-11.505 x 10-11.156 × 10-¹b(m³ mol-¹)2.37 x 10-51.709 x 10-53.219 x 10-52.661 × 10-53.913 x 10-53.183 x 10-53.985 x 10-52.90 × 10-5SubstanceCl₂CO₂H₂ONH3CH4C₂H6C6H6a(m6 Pa mol-²)6.579 × 10-¹3.640 × 10-¹5.536 x 10-14.225 x 10-¹2.283 x 10-¹5.562 × 10-¹1.824 x 10-1b(m³ mol-¹)5.622 x 10-54.267 x 10-53.049 x 10-53.707 x 10-54.278 x 10-56.38 x 10-51.154 x 10-5

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Answered: 1.Which incorrect assumptions about…

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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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.

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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