1. Chm II Drill: Calculate the mass of (NH4)2SO4 in mg produced when 1
Chm II Drill: Calculate the mass of (NH4)2SO4 in mg produced when 1.12 mL NH3 gas reacts is excess H2SO4 in the following rxn: NH3 + H2SO4  (NH4)2SO4

2. Review Drill & Stoichiometry Test

3. Water of Crystalization Lab Due Tomorrow

4. Chm II Homework Review PP-11
Complete the worksheet attached to the Poly website.

5. Are there any questions on previous material?

6. Kinetic Theory

7. All matter is made up of tiny particles
The particles are in constant motion
All collisions are elastic

8. Pressure

9. Force per unit area
Caused by collisions against a surface
Gas measured in pressure

10. Units of Pressure kPa: kilopascal (Std Unit) Pascal: newton/sq. meter
Atmosphere (Atm):
mm Hg:

11. Standard Pressure 101.3 kPa (to be changed) 1.00 Atm
760 mm Hg or Torrs
30.0 inches Hg
1013 millibars

12. Gas Laws

13. State the Following Laws
Boyle’s Law
Charles’ Law
Gay Lussac’s Law
Dalton’s Law
Graham’s Law

14. Boyle’s Law

15. The pressure & volume of a gas at constant temperature are inversely proportioned
P1V1 = P2V2 = K

16. Charles’ Law

17. The volume and temperature of a gas at constant pressure are directly proportioned
V1 V2
T1 T2
= = K

18. Guy Lussac’s Law

19. The pressure and temp. of a gas at constant volume are directly proportioned
P1 P2
T1 T2
= = K

20. Combined Gas Law

21. Combination of the three formulas
P1V1 P2V2
T T2 =

22. Common Sense

23. A gas’s volume is directly proportioned to its number of moles
V1 V2
n1 n2
= = K

24. New Combination
P1V1/n1T1 =
P2V2/n2T2 = K

25. New Combination
P1V1 P2V2
n1 T1 n2T2
= = K

26. Ideal Gas Law
PV = nRT

27. Dalton’s Law

28. The total pressure = the sum of the partial pressures
PT = P1 + P2 + etc

29. Graham’s Law

30. The velocities of particles are inversely proportioned to the square root of their masses
v1 M2
v2 M1 =

31. Calculate the new volume of 5
Calculate the new volume of 5.0 L of gas when its pressure is doubled and its temperature is tripled:

32. Calculate the volume of a gas at STP when it occupies 150
Calculate the volume of a gas at STP when it occupies mL at 227oC under
303.9 kPa pressure:

33. Calculate the volume of 3.0 moles of gas at
-23oC under 83.1 kPa pressure.

34. Drill: Calculate the volume of a gas at STP when it occupies 80
Drill: Calculate the volume of a gas at STP when it occupies 80.0 mL at 273oC under kPa pressure:

35. Drill: Calculate the number of moles of gas occupying 831 mL under 250 kPa at 227oC & Pass in Lab

36. Review & Collect Drill & HW

37. CHM II HW
Review PP 11
Complete the attached worksheet

38. Are there any questions on previous material?

39. Calculate the volume of a gas at STP when it occupies 80
Calculate the volume of a gas at STP when it occupies 80.0 mL at 273oC under kPa pressure:

40. Calculate the ratio of the velocities of He gas to HCl gas:

41. Calculate the mass of CO2 occupying 83.1 mL under 25 GPa at 227oC

42. Calculate the molecular mass of 5
Calculate the molecular mass of 5.0 g of gas occupying 831mL under 250 MPa at 227oC

43. Ideal Gas Law
PV = nRT

44. Related Formulas m V
m/n
D or r =
MW =

45. MW = m/n
n = m/MW
PV = nRT

46. mRT MW PV
PV =
MW =

47. Drill: Calculate the volume in mL of 4
Drill: Calculate the volume in mL of 4.0 g bromine gas at 127oC under 83.1 kPa pressure.

48. Review & Collect Drill & HW

49. CHM II HW
Review PP 11
Complete the attached assignment & turn it in tomorrow

50. Are there any questions on previous material?

51. Discuss Lab

52. Calculate the density of carbon dioxide at 27oC under 83
Calculate the density of carbon dioxide at 27oC under 83.1 kPa pressure

53. Other Integrated Formulas

54. m V
mRT PV
D =
MW =

55. m V
m RT
V P
D =
MW =

56. DRT P
MW P RT
MW =
D =

57. The total pressure of a system is 120. 0 kPa
The total pressure of a system is kPa. The partial pressure of gas A is kPa. Determine the pressure of gas B

58. Drill: Calculate the ratio of the velocities of He gas to HCl gas:

59. Calculate the mass of 831 mL of CO2 at 27oC under 150 kPa pressure:

60. Drill:Calculate the volume of 4. 0 moles of gas under 83
Drill:Calculate the volume of 4.0 moles of gas under 83.1 kPa pressure at 127oC:

61. Review & Collect Drill & HW

62. Are there any questions on previous material?

63. Calculate the volume of a gas at STP when it occupies 80
Calculate the volume of a gas at STP when it occupies 80.0 mL at 127oC under kPa pressure:

64. 5 Calculate the volume of 4. 0 moles of gas under 83
5 Calculate the volume of 4.0 moles of gas under 83.1 kPa pressure at 127oC:

65. Calculate the molecular mass of 50 g of gas occupying 831mL under 250 MPa at 227oC

66. Calculate the mass of 831 mL of CO2 at 167oC under 150 kPa pressure:

67. The total pressure of a system is 120. 0 kPa
The total pressure of a system is kPa. The partial pressure of gas A is kPa. Determine the pressure of gas B

68. The total pressure of a system is 150. 0 kPa
The total pressure of a system is kPa. The system contains 50 % A, 30 % B, & 20 % C. Determine the pressure of each gas.

69. Drill: Calculate the mass of CO2 occupying 83
Drill: Calculate the mass of CO2 occupying 83.1 mL under 25 MPa at 477oC

70. Calculate the density of carbon dioxide at 27oC under 83
Calculate the density of carbon dioxide at 27oC under 83.1 kPa pressure

71. Calculate the velocity HBr when the velocity Be is 270 m/s:

72. Calculate the final volume that 3
Calculate the final volume that 3.0 L of gas will obtain when the absolute temperature is tripled & the pressure is halved.

73. Calculate the mass of CO occupying 831 kL at 227oC under 2
Calculate the mass of CO occupying 831 kL at 227oC under 2.50 Mpa pressure.

74. Calculate the volume of H2 formed at 27oC under 150 kPa
when 6.8 mg NH3 decomposes making N2 & H2.