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Balancing Equations Double Odd Start Over

Balancing Equations Double Odd Start Over. ____H 2 + ____O 2  ___ H 2 O check H ____H 2 + ____O 2  ___ H 2 O H Ok check O ____ H 2 + ____O 2  ___ H 2 O O’s not ok ____ H 2 + ____O 2  _2_ H 2 O O’s now ok recheck H

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Balancing Equations Double Odd Start Over

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  1. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____ H2 + ____O2 ___ H2O O’s not ok ____ H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  2. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____ H2 + ____O2 ___ H2O O’s not ok ____ H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  3. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____ H2 + ____O2 ___ H2O O’s not ok ____ H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  4. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____ H2 + ____O2 ___ H2O O’s not ok ____ H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  5. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____ H2 + ____O2 ___ H2O O’s not ok ____ H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  6. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____H2 + ____O2 ___ H2O O’s not ok ____H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  7. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____H2 + ____O2 ___ H2O O’s not ok ____H2 + ____O2 _2_ H2O O’s now ok recheck H ____ H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  8. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____H2 + ____O2 ___ H2O O’s not ok ____H2 + ____O2 _2_ H2O O’s now ok recheck H ____H2 + ____O2 _2_ H2O H not ok __2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  9. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____H2 + ____O2 ___ H2O O’s not ok ____H2 + ____O2 _2_ H2O O’s now ok recheck H ____H2 + ____O2 _2_ H2O H not ok _2_ H2 + ____O2 _2_ H2O H now ok __2__H2 + _1__O2 _2_ H2O Balanced

  10. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____H2 + ____O2 ___ H2O O’s not ok ____H2 + ____O2 _2_ H2O O’s now ok recheck H ____H2 + ____O2 _2_ H2O H not ok _2_ H2 + ____O2 _2_ H2O H now ok _2__H2 + _1__O2 _2_ H2O Balanced

  11. Balancing EquationsDouble Odd Start Over ____H2 + ____O2 ___ H2O check H ____H2 + ____O2 ___ H2O H Ok check O ____H2 + ____O2 ___ H2O O’s not ok ____H2 + ____O2 _2_ H2O O’s now ok recheck H ____H2 + ____O2 _2_ H2O H not ok _2_ H2 + ____O2 _2_ H2O H now ok _2__H2 + _1__O2 _2_ H2O Balanced

  12. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  13. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  14. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  15. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  16. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  17. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  18. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu All Ok

  19. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu Balanced

  20. Balancing EquationsDouble Odd Start Over • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Zn • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Zn ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check Cu • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Cu Ok • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu Check SO4 • ____Zn + ____CuSO4 ___ZnSO4 + ____Cu SO4 Ok • __1_Zn + _1__CuSO4 _1_ZnSO4 + __1_Cu Balanced

  21. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 check Cl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  22. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 check Cl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  23. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 check Cl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  24. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  25. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  26. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  27. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  28. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  29. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Start over - recheck K • __2_KClO3 _2_ KCl + ___ O2 K ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  30. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Start over - recheck K • __2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  31. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Start over - recheck K • __2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  32. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Start over - recheck K • __2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  33. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Start over - recheck K • __2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • 2_KClO3 _2_ KCl + __3_ O2 K, Cl and O now ok

  34. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • __2_KClO3 ___ KCl + ___ O2 Start over - recheck K • __2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • __2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • _ 2_KClO3 _2_ KCl + __3_O2 O now ok • _2_KClO3 _2_ KCl + __3_O2 Balanced

  35. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 checkCl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • _ 2_KClO3 ___ KCl + ___ O2 Start over - recheck K • _ 2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • _ 2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • _2_KClO3 _2_ KCl + __3_O2 O now ok • _2_KClO3 _2_ KCl + __3_O2 Balanced

  36. Balancing EquationsDouble Odd Start Over • ____KClO3 ___ KCl + ___ O2 check K • ____KClO3 ___ KCl + ___ O2 K ok • ____KClO3 ___ KCl + ___ O2 check Cl • ____KClO3 ___ KCl + ___ O2 Cl ok • ____KClO3 ___ KCl + ___ O2 check O • ____KClO3 ___ KCl + ___ O2 O not ok • ____KClO3 ___ KCl + ___ O2 Double Odd O’s • _ 2_KClO3 ___ KCl + ___ O2 Start over - recheck K • _ 2_KClO3 _2_ KCl + ___ O2 K now ok recheck Cl • _ 2_KClO3 _2_ KCl + ___ O2 Cl ok recheck O • _2_KClO3 _2_ KCl + __3_O2 O now ok • _2_KClO3 _2_ KCl + __3_O2 Balanced

  37. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  38. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  39. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  40. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  41. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  42. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  43. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  44. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  45. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na now ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  46. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na now ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  47. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na now ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 All ok

  48. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na now ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 Balanced

  49. Balancing EquationsDouble Odd Start Over • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check Pb • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 Pb ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 check NO3 • ___Pb(NO3)2 + ___ NaI  ____PbI2 + ____ NaNO3 NO3 not ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 NO3 now ok • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Check Na • ___Pb(NO3)2 + ___ NaI  ____PbI2 + __2__ NaNO3 Na not Ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 Na now ok • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 check I • ___Pb(NO3)2 + _2_ NaI  ____PbI2 + __2__ NaNO3 I ok • _1_Pb(NO3)2 + _2_ NaI  _1__PbI2 + __2__ NaNO3 Balanced

  50. Balancing EquationsDouble Odd Start Over • ____CH4 + ____O2 ___CO2 + ___ H2O Check C • ____CH4 + ____O2 ___CO2 + ___ H2O C ok • ____CH4 + ____O2 ___CO2 + ___ H2O Check H • ____CH4 + ____O2 ___CO2 + ___ H2O H not ok • ____CH4 + ____O2 ___CO2 + __2_ H2O H now ok • ____CH4 + ____O2 ___CO2 + __2_ H2O Check O • ____CH4 + ____O2 ___CO2 + __2_ H2O O not ok • ____CH4 + __2_O2 ___CO2 + __2_ H2O O now ok • __1_CH4 + __2_O2 _1__CO2 + _2_ H2O Balanced

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