1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Alpha, Beta, Gamma Acid/Bases/ Alpha,Beta Gamma STP/ Calculations 2

2. What particle is emitted in alpha radiation? a.Electron b. proton c. Helium nucleus d. hydrogen nucleus

3. c. Helium nucleus

4. A Beta particle is… a.Proton b.Electron c.Helium nucleus d.Hydrogen nucleus

5. b. electron

6. What is the change in atomic mass when an atom emits a beta particle? a.Decrease by 2 b.Decrease by 1 c.Remains the same d.Increase by 1

7. b. Decrease by 1

8. What is the change in atomic mass when an atom emits gamma radiation? a.Decrease by 2 b.Decrease by 1 c.Remains the same d.Increase by 1

9. c. remains the Same.

10. What is an acid according to Arrhenius? a.A substance that ionizes to yield protons in aqueous solutions b. a substance that is a hydrogen ion donor c. a substance that accepts electron pairs d. A substance that is a Hydrogen ion acceptor

11. b. A substance that is a hydrogen ion donor.

12. Which of these is an Arrhenius base? a.LiOH b.NH3 c.H2PO4 d.CH3COOH

13. A. LiOH

14. What is transferred between a conjugate acid-base pair? a.Electron b.Proton c.Hydrogen Ion d.Hydronium Ion

15. B. Proton

16. In the reaction of aluminum bromide with ionized sodium bromide, which compound is a Lewis acid? a.Aluminum bromide b. bromide ion c.Sodium ion d. none

17. a. Aluminum bromide

18. Which is a sulfuric acid? a.Monoprotic b.Diprotic c.Triprotic d.none

19. b. diprotic

20. What instrument is normally used to measure atmospheric pressure? a.Thermometer b.Barometer c.Vacuum d.Manometer

21. B. Barometer

22. What is one standard atmosphere of pressure in kilopascals? a.0 Kpa b.101.3 Kpa c.760 Kpa d. 1 Kpa

23. B. 101.3 Kpa

24. With what temperature scale is temperature directly proportional two average kinetic energy?. a.Celsius b.Fahrenheit c.Kelvin d.Centigrade

25. c. Kelvin

26. What happens to the range of energies of the particles in matter when the temperature is increased? a.The range of energies becomes narrower b.The range of energies becomes broader c.The range of energies is not changes d.The range of energies cannot be determined

27. b. The range of energies becomes broader

28. How many liters of Hydrogen gas are needed to react with CS2 to produce 2.50L of CH4 at STP? a.2.50L b.50.0L c.7.50L d.10.0L

30. How many liters of NH3 are needed to react completely with 30L of NO at STP? a.5L b.20L c.7.5L d.120L

31. b. 20L

32. How many liters of chlorine gas can be produced when. 98L of HCl react with excess O2 at STP? a.0.98L b.0.49L c.3.9L d.2.0L

33. b. 0.49L

34. Methane and hydrogen sulfide form when it reacts with Carbon disulfide. Identify the excess reagent and calculate how much after 36L H2 reacts with 12L of Cs2. a.3LCS2 b.6LCS2 c.9LCS2 d.12LH2

35. a. 3LCS2

36. How many grams of Lead(II) acetate must be used to make 500mL of a solution that is to contain 10.0mg/mL?

37. 7.84 g of Lead(II)

38. What would be the molarity of a solution obtained when 50.0mL of 3.00M HCl solution is diluted with 70mL of H2O?

39. 2.1M

40. Calculate the molarity when 150mL of H2O is added to 14mL of 18M H2SO4.

41. 1.68M

42. If 3.25g of a molecular substance is dissolved in 125g of H2O, what is the molecular mass of the solute it the solution freezes at -0.93 degrees Celsius?

43. Molar Mass = 52 g/mol

44. Calculate the boiling point of a solution containing 5.70g of sucrose, C12H22O11, dissolved in 50g of benzene, C6H6.

45. 80.9l degrees C