1. Chemical Reactions ( aka Chemical Changes)

2. http://devour.com/video/beautiful-chemical-reactions/

3. Chemical Equations AB2 + 2CD  AD2 + 2CB Reactants: Products: Subscripts: Coeeficients

4. Chemical Equations AB2 + 2CD  AD2 + 2CB Reactants: AB2 and CD Products: AD2 and CB Subscripts: the little 2's behind AB and AD Coeeficients: the big 2's in front of CD and CB

5. Reactants 2KI(aq) + Pb(NO3)2(aq)  Products 2K(NO3)(aq) + PbI2(s) ____ ________ ____ appearance Demo

6. Reactants KI(aq) + Pb(NO3) (aq)  Products K(NO3)(aq) + PbI (s) use subscripts to balance each chemical formula (hint: Pb+2) use coefficients to balance the equation

7. Mg + 2HCl  MgCl2 + H2 Demo Reactants: Products: Subscripts: Coeeficients Appearance ___________ ______________ ________________ _______

9. Mg + 2HCl  MgCl2 + H2

10. Demo Reactants: Products: Subscripts: Coeeficients Mg( ) + O2( )  MgO( ) Appearance ___________ ______________ ________________

11. Mini-Quiz #1 Version A 2Mg + O2  2MgO 1. List the reactants 2. List the products 3. state the reaction in words 4. what is magnesium's coefficient? Version B 2NaCl  2Na + Cl2 1. List the reactants 2. List the products 3. state the reaction in words 4. What is sodium's coefficient?

13. Synthesis reaction X + Y  XY Decomposition reaction XY  X + Y Single displacement reaction XY + A  AY + X Double displacement reaction XY + AB  XB + AY Combustion X + O2  CO2 + H2O

16. Equation Worksheet 1. H2O  H2 + O2 _______________ 2.CH4 + O2  CO2 + H2O_______________ 3. C + O2  CO2 _______________ 4. MgCl2 + AgNO3  Mg(NO3)2 + AgCl______ 5.Cl2 + NaBr  NaCl + Br2_______________ 6.Fe + CuSO4  FeSO4 + Cu_______________ 7.N2O4  NO2 _______________ _______________

17. Equation Worksheet 8. Fe + O2  FeO_______________ 9.Al + Cl2  AlCl3_______________ 10. BaCl2 + Na2SO4  BaSO4 + NaCl______ 11. K + H2O  KOH + H2_______________ 12.N2 + H2  NH3_______________ 13.SO2 + O2  SO3_______________ _______________

22. Mini Quiz #2 Version A: categorize the following equations Mini Quiz #2 Version B: categorize the following equations 2 1 2 1

23. Mini Quiz #2 Version A: balance the following equations Mini Quiz #2 Version B: balance the following equations 1 2 2 1

32. ___Mg(s) + ___O2(g)  ____MgO(s) Appearance:___________________ __________ Observations:___________________________________________ Lab

33. ___CaCO3(s)  ___CaO(s) + ____CO2(g) Appearance:___________________ __________ Observations:___________________________________________ Lab

34. ___Zn(s) + ___HCl(aq)  ___ZnCl2(aq) + ____H2(g) Appearance:_____________________________ __________ Observations:___________________________________________ Lab

35. ___Pb(NO3)2(aq) + ___KI(aq)  ___PbI2(s) + ____KNO3(aq) Appearance:__________________________________________ Observations:___________________________________________ Lab

37. Diatomic Gases (never by themselves) O2, I2, H2, Br2, N2, F2, Cl2 Oh I Had Better Not Fail Class

38. What's the name of: H2 O2 H20 Al Cl2 AlCl3 Fe CuSO4 FeSO4 Cu MgCl2 AgNO3 Mg(NO3)2 Interpretation

39. What's the formula of: Barium chloride Silver nitrate Barium nitrate Silver chloride Sodium W ater Sodium hydroxide Hydrogen Oxygen Carbon dioxide Interpretation

40. 1. (front)___Al + Cl2  ___ AlCl3 Type: In words: 1. (back)Barium chloride reacts with silver (+1) nitrate to yield barium nitrate and silver chloride. Equation: Type:

41. 4. Water and carbon dioxide react to yield glucose (C6H12O6) and oxygen. equation: type: