2. Ch 11 & 12 DefinitionsSolubilityRandomCalculations $100 $200 $300 $400 $500

3. Final Question Make your bid now What is the molecular formula with a molar mass of 290 g/mol that is composed of magnesium (16.2 grams) and oxygen (16 grams)

4. Ch 11 & 12 $100 How many moles are in 100 grams of water? a) 0.18 b) 5.56 c) 18 d) 1800 e) 6.02 x 10 25 f) 1.66 x 10 -22 Game board

5. Ch 11 & 12 $200 Which identifies these compounds correctly? a) hydrate, anhydrous, empirical, molecular b) hydrate, anhydrous, molecular, empirical c) molecular, empirical, anhydrous, hydrate d) molecular, empirical, hydrate, anhydrous e) empirical, molecular, anhydrous, hydrate f) empirical, molecular, hydrate, anhydrous Game board Mg 6 O 12 MgO 2 MgSO 4 ·7 H 2 O MgSO 4

6. Ch 11 & 12 $300 According to calculations 74 grams of product should form. However, during the experiment, 76 grams of product formed. What is the percent yield? a) 2 b) 49.3 c) 50.7 d) 97.4 e) 102.7 f) 150 Game board

7. Ch 11 & 12 $400 What is the molecular formula for a compound with a molar mass of 86 grams/mole and an empirical formula of C 3 H 7 ? Game board

8. Ch 11 & 12 $500 Fill in the conversion flow chart below Game board

9. Definitions $100 Aqueous definition is a) water is the solute b) water is the solvent c) formation of a solid d) contains the maximum amount of solute e) the two liquids are not soluble f) the two liquids are soluble Game board

10. Definitions $200 Match the definition to the term supersaturated, unsaturated, saturated 1)Contains maximum solute 2)Contains less than maximum solute 3)Contains more than maximum solute a) 1, 2, 3 b) 1, 3, 2 c) 2, 1, 3 d) 2, 3, 1 e) 3, 1, 2 f) 3, 2, 1 Game board

11. Definitions $300 This is the unit for molar mass a) grams / mole b) mole / grams c) moles d) grams e) grams / Liter f) percent Game board

12. Definitions $400 The study of relationships between reactants and products is known as a) solubility b) limiting reactant c) precipitate d) aqueous e) solvation f) stoichiometry Game board

13. Definitions $500 The coefficients in a balanced chemical equation represent a) particles of each atom b) moles of each compound c) grams of each compound d) the solubility of each compound e) the percent yield of each compound f) nothing, they are only used to balance the equation Game board

14. Solubility $100 When a solute is added to a solvent, the vapor pressure will…. a) increase b) decrease c) stay the same d) not enough information Game board

15. Solubility $200 At what temperature will 10 grams of NH 3 form a saturated solution? a) 50°C b) 60°C c) 70°C d) 80°C e) 90°C f) 100°C Game board

16. Solubility $300 Using the solubility curve, what type of solution is formed when 60 grams of KCl is dissolved in 100 grams of water at 70°C? a) saturated b) supersaturated c) unsaturated d) not enough information Game board

17. Solubility $400 Give an example of each –Solute –Solution –Solvent Game board

18. Solubility $500 Name three ways to increase the solubility of a solute Shake, break, bake Game board

19. Random $100 The term solvation means a) process of dissolving b) two liquids are not soluble c) two liquids are soluble d) a solid that is formed during a reaction e) solution has less than maximum solute f) solution has more than maximum solute Game board

20. Random $200 Which has particles that settle? a) colloid b) suspension c) solution Game board

21. Random $300 A polar solvent will dissolve… a) non-polar solute b) non-polar solvent c) polar solute d) polar solvent e) any of the above f) none of the above Game board

22. Random $400 Water has what type of bond? a) ionic b) polar covalent c) non-polar covalent d) metallic Game board

23. Random $500 How many moles of oxygen are in 5 moles of aluminum sulfate, Al 2 (SO 4 ) 3 ? a) 3 b) 4 c) 7 d) 12 e) 35 f) 60 Game board

24. Calculations $100 If a gas has a solubility of 10 g/L at 5 atmospheres of pressure, what is the pressure when it has a solubility of 14 g/L? a) 3.57 b) 4.8 c) 7 d) 28 Game board

25. Calculations $200 How many grams of NaCl are in 2 Liters of a 5 Molar solution? a) 0.585 b) 5.85 c) 58.5 d) 585 e) 10 f) 2.5 Game board

26. Calculations $300 What is the solution concentration made from 58.5 grams of NaCl in 500 grams of water? a) 0.117 % b) 11.7 % c) 0.105 % d) 10.50 % e) 0.002 % f) 0.2 % Game board

27. Convert 3.80 x 10 25 particles of magnesium to moles a) 6.31 x 10 47 b) 63.12 c) 1.57 x 10 24 d) 2.29 x 10 49 e) 0.0158 f) 1534 Game board Calculations $400

28. Calculations $500 4 Al + 3 O 2  2 Al 2 O 3 If 2 moles of aluminum and 3 moles of oxygen reacted, how much product is formed AND what is the limiting reactant? Game board