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AP CHEMISTRY

AP CHEMISTRY

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AP CHEMISTRY

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  1. AP CHEMISTRY Limiting Reagents in Chemical Reactions

  2. Recipe for a Great Ice-Cream Sundae 2 scoops vanilla ice-cream 1 Ripe Cherry 50 mL syrup

  3. How many sundaes will 8 scoops of vanilla ice-cream produce ?

  4. How many sundaes will 6 cherries make? 6

  5. How many sundaes can you make using 100 mL syrup ? 100 mL syrup

  6. How many sundaes can you make using the following combination ? 8 SCOOPS OF VANILLA ICE CREAM 6 CHERRIES 100 mL SYRUP

  7. Which reagent was responsible for making the smallest amount of product ? (Hint: Refer to the previous slides) Chocolate sauce is the “limiting reagent”. The amount available (100 mL) is sufficient to make only two sundaes.

  8. How much of each reagent is left behind after making the sundaes ? 4 scoops left behind after using up 4 scoops 4 cherries left behind after using 2 cherries No chocolate sauce is left behind as all 100 mL was used in making the two sundaes. Limiting Reagents are completely consumed at the end of the reaction.

  9. Properties of Limiting Reagents Limiting Reagent is a reactant in a chemical reaction. Limiting Reagent compared to other reactants produces the smallest amount of product. Limiting Reagents are completely consumed at the end of a chemical reaction.