Reference Tables Scavenger Hunt Answers
Name___________________
Directions: Using the Reference Tables for Chemistry, locate the following information.
1. Name C5H12. Pentane Table P + R
2. Write the equation for the decay of Kr-85. 85Kr  - + 85Rb Table N
3. Explain how you know that NaPO4 is soluble in water but NiCrO4 is not. Na group 1/ all
chromates insoluble Table F
4. What is the definition of STP, and give the values? Standard Temperature (0oC or 273K)
and Pressure (1 atm or 101.3 kPa) Table A
5. Name, and give the formulas of the strongest and weakest bases. NaOH / NH3 Table L
6. Name C2H3O-2 or CH3COO- acetate ion Table E
7. What is the solubility of sulfur dioxide at 40 degrees Celsius, in grams? ~5g Table G
8. What is the freezing point of fluorine? 53 K Table S
9. What are the units for the heat of fusion, and what do they mean? J/g heat lost per gram of
substance Table B
10. What is the symbol for the mole? mol Table D
11. What is the vapor pressure of water at 750C? 38 kPa Table H
12. How much heat does it take to convert 20g of water to steam at 1000C? 45200 J (45.2 kJ) I
13. What is the prefix for 1/1000 of a meter? Milli- Table C
14. What is the molecular formula of ammonia? NH3 Table L
15. What is the formula for the permanganate ion? MnO4- Table E
16. Name CH3COOH ethanoic acid (acetic acid) Table R
17. Write the symbol for a positron? + Table O
18. What is the half-life of Pu-239? 2.4 x 104 years Table N
19. Is the formation of water, from its elements endothermic or exothermic? exothermic Table I
20. What is the atomic mass of silver? 108 g/mol P-Table
21. How much heat is released when LiBr dissolves in water? -48.83 kJ Table I
22. Give the names and formulas of the strongest and weakest acids. HCl / CH3COOH Table K
23. What is the general formula for alkynes? What does it mean? CnH2n-2 Table Q
24. What is the electronegativity of chlorine? 3.2 Table S
25. What is the decay mode of Au-198? - (beta) Table N
26. What is the ionization energy of Rb? 403 kJ/mol Table S
27. Which atom is more likely to lose electrons, Al or Zn? Al (more reactive than Zn) Table J
28. What is the atomic number of Te? 52 P-Table
29. What is the atomic radius of Bromine? 117 pm Table S
30. What is the oxidation state of sulfur? -2 / +4 / +6 P-Table
31. Which indicator would be the best to use to identify a strong base? Thymol blue Table M
32. Write the electron configuration of potassium. 2-8-8-1 P-Table
33. At what temperature will water boil, when the atmospheric pressure is 55 kPa? 85oC Table H
34. What is the trend of atomic radii across period 3? decrease Table S
35. Will Mn produce colored ions in solution? Why or why not? Yes, it is a transition metal
P-Table
36. Will Sn4+ gain or lose electrons when it reacts with Cu? Gain, only if in electrolytic cell J
37. What is the heat of vaporization of water? 2260 J/g Table B
38. Will Al react with HCl to produce hydrogen gas? Yes, Al is above H2 Table J
39. What is the density of tin? 7.287 g/mL Table S
40. In the molecule CCl4, what is the EN difference of the C-Cl bond? 0.6 Table S Is the bond
polar or nonpolar?Polar Why? EN > 0.4 Is the molecule polar or nonpolar? Non-Polar
Why? symmetry
Using table T, solve the following problems:
41. Give the parts per million of solute for a solution containing 25g of sodium chloride in 200g of
water.
25 g x 106 = 1.1 x 106
225g
42. If the accepted value for the mass of an object is 10.3g and a student found that the mass was
10.1g, what is the student’s percent error? (10.3 – 10.1) x 100 = 1.9%
10.3
43. If a peanut is burned in a calorimeter containing 50g of water, and the water temperature
changes from 450C to 570C, how many joules of energy were released by the peanut?
Q = 50g (4.18 J/goC) (57-45oC) = 2508 J