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ICP

ICP. 12/18/12 Review of Chemical Reactions. Warmup. For 1-4 write endothermic or exothermic: Gives off heat Takes in heat Reactants + heat  Products Reactants  Products + heat. Which type of reaction is it?. ___ NaBr + ___ H 3 PO 4  ___ Na 3 PO 4 + ___ HBr

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  1. ICP 12/18/12 Review of Chemical Reactions

  2. Warmup For 1-4 write endothermic or exothermic: • Gives off heat • Takes in heat • Reactants + heat  Products • Reactants  Products + heat

  3. Which type of reaction is it? • ___ NaBr + ___ H3PO4___ Na3PO4 + ___ HBr • ____ C2H4 + ____ O2 ____ CO2 + ____ H2O • ____ PbSO4 ____ PbSO3 + ____ O2 • ____ H2O+ ____ SO3 ____ H2SO4 • ____ Mg + ____ Fe2O3 ____ Fe + ____ MgO

  4. Balance each reaction. • ___ NaBr + ___ H3PO4___ Na3PO4 + ___ HBr • ____ C2H4 + ____ O2 ____ CO2 + ____ H2O • ____ PbSO4 ____ PbSO3 + ____ O2 • ____ H2O+ ____ SO3 ____ H2SO4 • ____ Mg + ____ Fe2O3 ____ Fe + ____ MgO

  5. Extra information in a chemical reaction: • (l) – liquid • (s) – solid • (g) – gas • (aq) – aqueous (something dissolved in water)

  6. Other information: • Why do we balance chemical equations? • In order to make chemical reactions obey the Law of Conservation of Mass • How many dots in an electron dot diagram? • This is based on what column an element is in on the periodic table.

  7. Time to work on Study Guide • Study guide is due on Thursday (day of the test).

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