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CH16 – Stoichiometry

Happy-Valentines-Day-Chemistry

Dates

  • P4 – Wednesday, February 14th
  • P5 – Wednesday, February 14th
  • P7 – Thursday, February 15th

Class Business

  • test update
  • LNB update

New Idea – Stoichiometry

  • we can use the mole map to relate substances in a chemical reaction
  • the coefficients ARE the mole ratio
  • so, we need a balanced reaction to do so, right?

Review – Balancing Reactions [Class Practice]

Extend – Predicting Yield [Class Practice]

  • For each problem above, predict the mass of the first product if 370 grams of the first reactant are completely used up
  • Regroup and review – thoughts?

New Idea – Recipes!

Simple Cookie Recipe – Produces 1 dozen cookies

  • 1/2 cup butter
  • 1cup sugar
  • 1 egg
  • tsp baking powder
  • 1 tsp vanilla
  • cup flour

Kitchen Contents

  • 4 sticks butter
  • 2 lb bag sugar
  • 1/2 dozen egg
  • 8 oz. baking powder
  • 8 fluid oz. vanilla
  • 2 lb bag flour

Question: how many cookies can I make with the available contents?

  • Do some calculations
  • support your answer (show work! units!)
  • What determines the outcome?

Information

This entry was posted on February 13, 2018 by in 1718 and tagged , , , .

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