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PSC 4012

PSC 4012. Ionic Phenomena: A study of an environmental problem. PSC 4012: Balancing Equations. mass (Reactants) = mass (Products) Mass conservation. PSC 4012: Balancing Equations. Unbalanced reaction. Balanced reaction. PSC 4012: Balancing Equations. PSC 4012: Balancing Equations.

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PSC 4012

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  1. PSC 4012 Ionic Phenomena: A study of an environmental problem

  2. PSC 4012: Balancing Equations mass (Reactants) = mass (Products) Mass conservation

  3. PSC 4012: Balancing Equations Unbalanced reaction Balanced reaction

  4. PSC 4012: Balancing Equations

  5. PSC 4012: Balancing Equations Strategy for balancing equations: • Balance metals • Balance non metals • Balance oxygens • Balance hydrogens ***In some cases (oxidation of organic compounds) is worth balancing hydrogens before balancing oxygens

  6. PSC 4012: Balancing Equations Practice: How many atoms of each element we have in the following? • 3LiF • 9PCl5 • 5Na2SO4 • 2MgCrO4 • 12Fe2(Cr2O7)3 • 4Al2(CO3)3

  7. PSC 4012: Balancing Equations Practice: Balance the following chemical reactions: • Al + HCl AlCl3 +H2 • Fe+ H2O Fe3O4+ H2 • HNO3 H2O + NO2 + O2

  8. PSC 4012: Balancing Equations Practice: Ex 6.1, p. 6.12 Ex 6.2, p. 6.14 Ex 6.3, p. 6.17 Ex 6.4, p. 6.19 Ex 6.17, p. 6.39 Ex 6.18, p. 6.39

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