1. Warm Up—3/16/15 1.What is the chemical formula for Calcium phosphate? 2.What is the molar mass for calcium phosphate? 3.What is the percent composition of calcium in calcium phosphate?

2. Warm Up—3/17/15 and 3/18 1.What is an empirical formula? 2.What is a molecular formula?

3. Warm up—3/19/15 1.What is the chemical formula for sodium oxide? 2.What is the chemical formula for lithium phosphate? 3.What is the molar mass for each of them?

4. Warm Ups—3/20/15 1.Balance the following chemical reaction: a)Na + Cl 2  NaCl b)HCl + Ca(OH) 2  H 2 O + CaCl 2 c)Pb(NO 3 ) 4 + Al  Pb + Al(NO 3 ) 3

5. Warm Up—3/23/15 1.Calculate the molar mass of H 3 PO 4. 2.How many moles are in 25.2 g of Mg? 3.What is the mass of 0.780 mol Ca(CN) 2 ?

6. Warm Up—3/24/15 1.Balance the following reaction: KNO 3 + (NH 4 ) 2 O  K 2 O + NH 4 NO 3 2.What is the molar ratio for all of the reactants and products in the above reaction? 3.If I start with 4.0 mol of KNO 3, how many moles of K 2 O would be produced?

7. Warm Up—3/25/15 1.Do you have any questions/topics you want to review? 2.Take out your homework, and silently wait for further instructions.

8. Warm Up—3/27/15 1.Name all the units you know that measure temperature. 2.What is volume?

9. Warm Up—3/30/15 1.What is pressure? 2.What are three characteristics of a gas?

10. Warm Up--3/31/15 1.What is Boyle’s law? 2.How do you convert degrees Celsius to Kelvin? 3.What is 12 degrees Celsius equal to in Kelvin?

11. Warm Up—4/7/15 1.What was the mass of the 150-mL beaker and dried copper (from the lab)? 2.What was the mass of the empty 150-mL beaker?

12. Warm up—4/8/15 1.What is Charles’ law? 2.What is the mathematical equation for Charles’ law? 3.What unit must temperature be in for Charles’ law?

13. Warm Up—4/9/15 1.What is Gay-Lussac’s law? 2.What is the mathematical equation for Gay- Lussac’s law? 3. List all of the pressure units that you know.

14. Warm Up—4/9/15 1.How do you convert degrees celsius to kelvin? 2.What is 25 degrees celsius in kelvin?

15. Warm Up-4/10/15 1.What is the combined gas law? 2.What units must the temperature be in? 3.What must remain constant for the combined gas law to apply?

16. Warm Up—4/10/15 1.What is Gay-Lussac’s law? 2.What is the mathematical equation for Gay- Lussac’s law? 3. List all of the pressure units that you know.

17. Warm Up—4/13/15 1.What is the ideal gas law equation? 2.What is the ideal gas law constant with units?

18. Warm Up—4/14/15 1. If I have 72 Liters of gas held constant at a pressure of 3.4 atm and a temperature of 225 K, how many moles of gas do I have?

19. Warm Up--4/20/15 1.What do you know about acids? 2.What do you know about bases? 3.Complete and balance the following reaction: NaOH + H 2 SO 4 

20. Warm Up--4/21/15 1.What is a homogeneous mixture called? 2.What is a solute? 3.What is a solvent? 4.Why is water known as the “Universal Solvent”?

21. Warm Up—4/27/15 1.What is concentration? 2.What is a dilute solution? 3.Convert 2000. mL to Liters.

22. Warm Up—4/29/15 1.What is molarity equal to? 2.What is the molarity of a solution with 2.0 mol of solute in 3000. mL of solution?

23. Warm Up—4/29/15 1.What are 2 characteristics of an acid? 2.What are 2 characteristics of a base?

24. Warm Up—4/30/15 1.What are 2 characteristics of an acid? 2.What are 2 characteristics of a base?

25. 4/30/15 1.If the pH of a solution is 4.2, is it acidic, basic or neutral? 2.What about if the pH is 9.6? 3.What is the pH of a neutral solution?

26. Warm Up—5/1/15 1.What is an Arrhenius acid? 2.What is the formula for pH? 3.What is an Arrhenius base? 4.What is the formula for pOH?

27. Warm Up—5/5/15 1.What is the chemical formula for hydrochloric acid? 2.What is the name for the following acids? a)H 2 SO 4 b)HF c)HNO 2

28. Warm Up—5/6/15 1.What acid is in vinegar? 2.What is concentration of H+ ions measured in? 3.What is a heterogeneous mixture?