Nonideal-Gas Behavior (Section)In Sample Exercise 10.16,
Chapter , Problem 95E(choose chapter or problem)
Problem 95E
Nonideal-Gas Behavior (Section)
In Sample Exercise 10.16, we found that one mole of Cl2 confined to 22.41 L at 0 °C deviated slightly from ideal behavior. Calculate the pressure exerted by 1.00 mol Cl2 confined to a smaller volume, 5.00 L, at 25 °C. (a) First use the ideal-gas equation and (b) then use the van der Waals equation for your calculation. (Values for the van der Waals constants are given in Table) (c) Why is the difference between the result for an ideal gas and that calculated using the van der Waals equation greater when the gas is confined to 5.00 L compared to 22.4 L?
Table Van der Waals Constants for Gas Molecules
Substance |
a(L2@atm/mol2) |
b(L/mol) |
He |
0.0341 |
0.02370 |
Ne |
0.211 |
0.0171 |
Ar |
1.34 |
0.0322 |
Kr |
2.32 |
0.0398 |
Xe |
4.19 |
0.0510 |
H2 |
0.244 |
0.0266 |
N2 |
1.39 |
0.0391 |
O2 |
1.36 |
0.0318 |
F2 |
1.06 |
0.0290 |
Cl2 |
6.49 |
0.0562 |
H2O |
5.46 |
0.0305 |
NH3 |
4.17 |
0.0371 |
CH4 |
2.25 |
0.0428 |
CO2 |
3.59 |
0.0427 |
CCl4 |
20.4 |
0.1383 |
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