1. Chemical Reactions Bellringers

2. I ate 2 lbs of turkey for dinner and 32 oz. of water. How much did I eat in kg and drink in mL? (1kg = 2.2 lb, 1 oz = 0.3 L)

3. Balance these reactions Fe (s) + O 2 (g) Fe 2 O 3(s) Zn 2(s) + HCl (aq) ZnCl 2(aq) + H 2(g) NiCl 2(s) Ni (s) + Cl 2(g) CH 4(g) + O 2(g) CO 2(g) + H 2 O (g)

4. Classify these reactions 4Fe (s) + 3O 2 (g) 2Fe 2 O 3(s) Zn 2(s) + 2HCl (aq) ZnCl 2(aq) + H 2(g) NiCl 2(s) Ni (s) + Cl 2(g) CH 4(g) +2O 2(g) CO 2(g) + 2H 2 O (g)

5. Determine the Molar Mass of the following Al 2 O 3 PbBr 2

6. Molar Mass and Balancing If I have 75.0 grams of AlCl 3, how many moles do I have? Balance the following reaction

7. Molar Ratio Balance the reaction What type of reaction is the above reaction? If you have 2.36 moles of HF, how many moles of SiF 4 will be produced?

8. Molar Mass and Balancing How many grams are in 1.75 moles of H 2 SO 4 Balance the following reaction

9. Molar Mass and Balancing How many grams are in 3.58 moles of HNO 3 Balance the following reaction __HCl + ___CaCO 3  ___CaCl 2 + ____H 2 O +___CO 2

10. Bellringer What is the molar mass of CaBr 2 Balance and Identify the type of reaction _____NaBr + ____ CaF 2  ____ NaF + ____ CaBr 2 If there are 1.24 moles NaBr are reacted, how many moles of CaBr 2 will be produced?

11. Bellringer 5/10/12 What is the molar mass of Al 2 (SO 4 ) 3 Balance and Identify the type of reaction __H 2 SO 4 + __ NaNO 2  __ HNO 2 + __ Na 2 SO 4 If there are 7.52 moles HNO 2 are produced, how many moles of H 2 SO 4 were used?

12. Molar Mass and Balancing How many moles are in 537.3 grams of Pb(NO 3 ) 2 Balance the following reaction What type of reaction is the above reaction?

13. Define Exothermic reaction- Endothermic reaction- If 4.6 moles of NaOH were reacted, how many moles of NaSO 4 will be produced? 2NaOH + H 2 SO 4  NaSO 4 + 2H 2 O

14. Brainstorm: How can you find the density of the hexnut? Remember: D=m/v