Gas Laws #1 ODDS 1) 396 mL = 0.396 L 3) 10.92 L 5) 24.3 lb/in2 X(N2) =(4moles/9moles) = .444 P(N2) = 680.2 torr X(O2) = .333 P(O2) = 510.1 torr X(He) = .222 P(He) = 340.1 torr 11) 48.0 mL

Gas Laws #1 EVENS 2) 670 L or 673 L (since all have 3 sig fig except 740 torr) 4) 0.45 moles 6) 446 moles He 2.50 x103 mL = 2.48 L Boyle’s Law P(N2) = 559 mm Hg P(O2) = 118 mm Hg P(CO2) = 27 mm Hg P(H2O) = 47 mm Hg 12) 650 kPa (670kPa?)

529 mL (or 0.529 L) 133 L 0.225 Atm / CH4 3.38 L 3.1 x1023 molecules

Gas Laws Practice #2 1. 529 mL (0.529 L) 2. 808 torr (1.06 atm) CH4 has greatest partial pressure 6. 2 H2S (g) + 3 O2 (g) → 2 SO2 (g) + 2 H2O (g) @ 11.5 g SO2

Gas Laws Practice #2 3.38 L 736 mm Hg (0.968 atm) 0.160 g H2 3.1 x1023 molecules 10) SF6 / sulfur hexafluoride

Gas Laws #2 EVENS 1.06 atm 33.27 atm 2 H2S (g) + 3 O2 (g) → 2 SO2 (g) + 2 H2O (g) 12 g SO2 736 mm Hg 0.160 g H2 10) SF6 / sulfur hexafluoride

Diffusion Packet Section Review #3: 17 g/mole #4: 256:1 #4: 256:1 #5: BrF, NO2, HCl, H2O, He #6: 128 g/mol, HI Chapter Review #56: (a) 3.72, (b) 1.37 #57: 3.16 #58: 341 m/s

Gas Laws #3 ODDS 12 mL –223 °C 5a) 748 mm Hg 5b) 0.454 g O2 17.1 g NaCN 10.6 mL H2O

Gas Laws #3 EVENS 8.13 L 42.1 g/mol 247 kPa 0.0349 g C8H18 10a) 2.53 g NaBH4 10b) 1.80 L

Gas Laws #4 3500 L 8276 L 113.7 K 0.24 L 188 g/mol C2H4Br2 39.2 L a) 12 atm b) 6.0 atm 3.41 g/L 8) a) 736 mm Hg b) 14,300 g Ga

Gas Laws #4 EVENS 39.2 L a) 12 atm b) 6.0 atm 3.41 g/L 8) a) 736 mm Hg b) 14,300 g Ga

Gas Laws Review 0.30 atm All 3 have the same Helium C4H8 C4H8 + 6 O2 → 4 CO2 + 4 H2O 2.91 L CO2

Another Gas Laws Review 146 g/mol 15.2 Liters (a) 730.54 torr (b)1490 torr 10.5 Liters C4H8 112 g/mol / C3H6Cl2 (a) 800 torr (b) 0.509 moles (c) all the same (d) neon since it has the lowest mass 4.71 Liters 3.22 Atm