3. Language Of Chemistry 100 Miscell aneous Stoichio metry Chemical Reactions Properties Of Gases 500 400 300 200 100 200 300 400 500 400 300 200 100 Final Jeopardy Class -ification Of Matter

4. This property describes how much mass is In a given volume of material. Back ANSWER: What is density?

5. Density does this when the mass of an object stays the same, but the volume increases. Back ANSWER: What is decrease?

6. Any of these types of changes…. bubbles, changes color, forms a precipitate, it burns, temperature change without heating/cooling. Back ANSWER: What is a chemical change?

7. Burning paper is this type of change. Back ANSWER: What is a chemical change?

8. These are the properties of metal. (List 3) Back ANSWER: What is metals have luster, are malleable, and conduct electricity?

9. The building blocks of matter. Back ANSWER: What is an atom? Language of Chemistry 100pts

10. Hydrogen: Element; Water: __________ Back ANSWER: What is a compound? Language of Chemistry 200pts

11. Back The small numbers to the lower right of chemical symbols. ANSWER: What is a subscript? Language of Chemistry 300pts 3CaCl 2

12. The large numbers in front of chemical formulas. Back ANSWER: What is a coefficient? Language of Chemistry 400pts 3CaCl 2

13. The amount of atoms in the molecule below. Back ANSWER: What is 72 atoms? Language of Chemistry 500pts

14. H 2 and O 2 are this. Back ANSWER: What is reactants? Chemical Reactions 100 2H 2 + + O2O2 O2O2 2H 2 O

15. A, B, C, and D are in these states of matter. Back ANSWER: What is gaseous, liquid, solid, and aqueous? Chemical Reactions 200 A(g) + B(l) → C(s) + D(aq)

16. This is what the Law of Conservation of Mass states. Back ANSWER: What is that mass is neither created nor destroyed in any chemical reaction? Chemical Reactions 300

17. Back If the metal Aluminum is placed in a solution of Lead (II) Nitrate, what will happen? ANSWER: What is a aluminum will replace Pb and become Aluminum Nitrate? Chemical Reactions 400 Li > K > Ba > Sr > Ca > Na > Mg > Al > Mn > Zn > Fe > Cd > Co > Ni > Sn > Pb > Cu > Ag > Hg > Au

18. Balance this equation. Back ANSWER: What is 2NaCl + F 2  2NaF +Cl 2 Chemical Reactions 500 NaCl + F 2  NaF +Cl 2

19. This is the mass of 2 moles of Carbon. Back ANSWER: What is 24.02 g? Stoichiometry 100 C

20. A mole of something is equal to this number. Back ANSWER: What is 6.02 X 10 23 ? Stoichiometry 200

21. The percent of Magnesium Bromide, MgBr 2 that is Magnesium. Back ANSWER: What is 13.20%? Stoichiometry 300

22. Back ANSWER: What is 6 mol of KClO 3 ? Stoichiometry 400 How many moles of KClO 3 must decompose in order to produce 9 moles of oxygen gas? 2KClO 3  2KCl + 3O 2

23. Back ANSWER: What is 9.21 x 10 22 atoms Ag? How many atoms are in 16.5 g of silver? Stoichiometry 500 16.5g Ag x 1 mole x 6.02 x 10 23 atoms = 9.21 x 10 22 atoms Ag 107.87g Ag 1 mole Ag

24. You discovered this relationship between Pressure and volume when you drew air into a syringe, capped it, and placed your finger on the plunger. Back ANSWER: What is as pressure increases, volume of gas decreases? Properties of Gases 100

25. This station demonstrated that air has mass. (Describe the station) Back ANSWER: What is Station 3, where the mass of an inflated balloon was larger than a deflated balloon? Properties of Gases 200

26. This law demonstrates the relationship below. Back ANSWER: What is Boyle’s Law? Properties of Gases 300

27. Back Freon-12, CCl 2 F 2, is used in refrigeration systems. What is the new volume (L) of an 6.0 L sample of Freon gas after its pressure is changed from 9000 mmHg to 2200 mmHg at constant T? ANSWER: What is 24.55 L? Properties of Gases 400

28. This is the reason hot air balloons rise. Back What is gas molecules move faster and expand In warmer temperatures, thus increasing volume, and decreasing density. Less dense air will float. Properties of Gases 500

29. Back ANSWER: What is a metal? Miscellaneous 100

30. Back Balance this equation. ANSWER: What is 4NH 3 + 5O 2  4NO + 6H 2 O Miscellaneous 200 _NH 3 + _O 2  _NO + _H 2 O

31. How many moles are in 4.22 x 10 27 molecules of MgO? Back ANSWER: What is 7010 moles of MgO? Miscellaneous 300

32. Given the following reaction: 2Cu + S  Cu 2 S What is the limiting reactant when 3 moles of Cu reacts with 9 moles of S? Back ANSWER: What is Cu? Miscellaneous 400

33. C 3 H 8 + 5O 2  3CO 2 + 4H 2 O When C 3 H 8 burns in oxygen, CO 2 and H 2 O are produced. If 15.0 g of C 3 H 8 reacts with 60.0 g of O 2, how many grams of CO 2 is produced? HINT: Find the limiting reactant first. Back ANSWER: What is approximately 45 g CO 2 ? Miscellaneous 500

34. I have 7.92 x 10 24 molecules of C 2 H 2. What is the mass of my sample? Back ANSWER: What is = 342.59 g of C 2 H 2 ? 7.92 x 10 24 molecules x 1 mol x 26.04g = 342.59 g of C 2 H 2 6.02 x 10 23 molecules 1 mol