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Warm Up

Warm Up. Balance the following reactions: __ NaCl + __BeF 2 --> __ NaF + __BeCl 2 2. __FeCl 3 + __Be 3 (PO 4 ) 2 --> __BeCl 2 + __FePO 4. Warm Up. Balance the following reactions: _ 2 _NaCl + __BeF 2 --> _ 2 _NaF + __BeCl 2

rudyard-bentley
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Warm Up

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  1. Warm Up Balance the following reactions: • __NaCl + __BeF2 --> __NaF + __BeCl2 2. __FeCl3 + __Be3(PO4)2 --> __BeCl2 + __FePO4

  2. Warm Up Balance the following reactions: • _2_NaCl + __BeF2 --> _2_NaF + __BeCl2 2. 2_FeCl3 + _Be3(PO4)2 --> _3BeCl2 + _2FePO4

  3. Types Of Chemical Reactions 8.2

  4. Combination Reactions A + B  AB Examples: S + O2  SO2 CaO + H2O → Ca(OH)2

  5. Decomposition Reactions AB  A + B Examples 2H2O(I) → 2H2 + O2 2Cl2O5 (g) → 2Cl2 (g) + 5O2 (g)

  6. Single Replacement Reaction A + BC → AC + B Example: Cu + 2AgNO3 → 2Ag + Cu(NO3)2 Br2 + 2KI → 2KBr + I2

  7. Double Replacement Reactions AX + BY → BX + AY Example: HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

  8. Combustion Reaction • An element or compound reacts with an oxidizing element, such as oxygen. • Probable products are CO2 and H2O Examples: CH4 + 2 O2 → CO2 + 2 H2O + energy 2 H2 + O2 → 2 H2O(g) + heat

  9. Rules for Predicting Products • R+ S  RS • RS  R + S • T + RS  TS + R • R+S- + T+U-  R+U- + T+S- • CxHy + (x+y/4) O2  x CO2 + (y/2) H2O

  10. Reminder Make sure that you look at what might be formed and consider its state when predicting products • Metals will form solids on their own and be ions in combination with nonmetals Mg compared to MgCl2 • Don’t forget that some non-metals will be anions in combination with metals, but covalent diatomic gasses when they are on their “own” Cl2 compared to HCl

  11. Complete the following equations: Decomposition • NCl3  Single Replacement • Al + CuSO4  • Mg + HCl  Double Replacement • Ba(NO3)2 + Na2SO4  *** Hint Nitrogen and Chlorine are diatomic gasses on their own ** *** Hint: Look at the ions you are working with!!!***

  12. Complete the following equations: Decomposition • NCl3  N2 + Cl2 Single Replacement • Al + CuSO4  • Mg + HCl  Double Replacement • Ba(NO3)2 + Na2SO4 

  13. Complete the following equations: Decomposition • NCl3  N2 + Cl2 Single Replacement • Al + CuSO4  Al2(SO4)3 + Cu • Mg + HCl  Double Replacement • Ba(NO3)2 + Na2SO4 

  14. Complete the following equations: Decomposition • NCl3  N2 + Cl2 Single Replacement • Al + CuSO4  Al2(SO4)3 + Cu • Mg + HCl  H2 + MgCl2 Double Replacement • Ba(NO3)2 + Na2SO4 

  15. Complete the following equations: Decomposition • NCl3  N2 + Cl2 Single Replacement • Al + CuSO4  Al2(SO4)3 + Cu • Mg + HCl  H2 + MgCl2 Double Replacement • Ba(NO3)2 + Na2SO4  BaSO4 + NaNO3

  16. The End Start Working on HW if time permits

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