Table 10 3 shows that the van der Waals b parameter has units of L mol This implies that we can calculate the size of atoms or molecules from b Using the value of b for Xe, calculate the radius of a Xe atom and compare it to the value found in Figure 7 6, 1 30 Atilde Recall that the volume of a sphere is (4 3) Iuml r3 TABLE 10 3Van der Waals Constants for Gas Molecules b (L mol) 0 02370 0 0171 0 0322 0 0398 0 0510 0 0266 0 0391 0 0318 0 0562 0 0305 0 0428 0 0427 0 1383 Substance a(L atm mol 0 0341 0 211 1 34 2 32 4 19 0 244 1 39 1 36 6 49 5 46 2 25 3 59 Kr CI H2O CH4 CO2 CCl4 20 4

Question: Table 10.3 shows that the van der Waals b parameter has units of L>mol. This implies that we can calculate the size of atoms or

Table 10.3 shows that the van der Waals b parameter has units of L>mol. This implies that we can calculate the size of atoms or molecules from b. Using the value of b for Xe, calculate the radius of a Xe atom and compare it to the value found in Figure 7.6, 1.30 Ã…. Recall that the volume of a sphere is (4/3) Ï€r3.

TABLE 10.3Van der Waals Constants for Gas Molecules b (L/mol) 0.02370 0.0171 0.0322 0.0398 0.0510 0.0266 0.0391 0.0318 0.0562 0.0305 0.0428 0.0427 0.1383 Substance a(L--atm/mol 0.0341 0.211 1.34 2.32 4.19 0.244 1.39 1.36 6.49 5.46 2.25 3.59 Kr CI H2O CH4 CO2 CCl4 20.4

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