Chapter 4 - Reactions in Aqueous Solution_Part2

Chapter 4 - Reactions in Aqueous Solution_Part2 - GENERAL...

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GENERAL CHEMISTRY CHAPTER 4 – REACTIONS IN AQUEOUS SOLUTION PAGE 6 OF 35 Example KI (aq) + NaCl (aq) No Rxn = No precipitate formed : KI (aq) + NaCl (aq) ? Example : K 2 CrO 4 (aq) + Ba(NO 3 ) 2 Total Equation = Ionic Equation = Net Ionic Equation = (aq) ? Spectator Ions = Double-displacement reactions that form gases as the end product Gas Evolving Reactions Some reactions form a gas by the decomposition of one of the ion exchange products into a gas and water K 2 SO 3 (aq) + H 2 SO 4 (aq) K 2 SO 4 (aq) + H 2 SO 3 H (aq) 2 SO 3 (aq) H 2 O (l) + SO 2 Other reactions form a gas directly from the ion exchange (g) K 2 S (aq) + H 2 SO 4 (aq) K 2 SO 4 (aq) + H 2 Compounds that Undergo Gas Evolving Reactions S (g) Reactant Type Reacting With Ion Exchange Product Decompose? Gas Formed Example metal n S, metal HS acid H 2 S no H 2 S K 2 S (aq) + 2HCl (aq) 2KCl (aq) + H 2 S (g) metal n CO 3 , metal HCO acid 3 H 2 CO yes 3 CO K 2 2 CO 3 (aq) + 2HCl (aq) 2KCl (aq) + CO 2 (g) + H 2 O(l) metal n SO 3 metal HSO 3 acid H 2 SO 3 yes SO 2 K 2 SO 3 (aq) + 2HCl (aq) 2KCl (aq) + SO 2 (g) + H 2 O (l) (NH 4 ) n base anion NH 4 yes OH NH KOH (aq) + NH 3 4 Cl (aq) KCl (aq) + NH 3 (g) + H 2 O (l)
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GENERAL CHEMISTRY CHAPTER 4 – REACTIONS IN AQUEOUS SOLUTION
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This note was uploaded on 01/21/2011 for the course PHYS 4A 60865 taught by Professor L. oldewurtel during the Fall '09 term at Irvine Valley College.

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Chapter 4 - Reactions in Aqueous Solution_Part2 - GENERAL...

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