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Title: Stoichiometry
Description:

HONORS CHEMISTRY
February 8, 2021



Unit 8: Stoichiometry

Stoichiometry involves finding amounts of reactants and products in a chemical reaction.                        
from Greek meaning "element measure"

What can we do with stoichiometry?        RA  +  RB  -->  P1  +  P2
        

        Given amount of RA , find amount of RB needed to react with it.  
        Given amount of RA, find amount of P1 or P2 produced. 
         Given amount of P1 needed, find amount of RA or RB required to make P1.

Hand out and introduce Stoichiometry Island Diagram.

2 TiO2  +  4 Cl2  +  3 C  -->  1 CO2  +  2 CO  +  2 TiCl4

        use "mini-me" (1/8 the size of regular island diagram, a bit nutty)
  

        How many moles of chlorine will react with 4.55 moles of carbon?
                                                                                                               (6.07 mol Cl2)

   
     How many grams of titanium (IV) oxide will react with 4.55 mole of carbon? 
                                                                                                               (243 g)

        How many molecules "tickle-4" (TiCl4) can be produced from 115 g "tyoto" (TiO2)?   
                                                                                                                (8.66 g x 1023)
HW:  None

It is impossible
to enjoy idling thoroughly
unless one has
plenty of work to do.
   - Jerome K. Jerome

Textbook:  Introductory Chemistry Concepts and Connections 4th Edition  by Corwin  (pg 250-279).
                                      
10.1 INTERPRETING A CHEMICAL EQUATION (pg 251-253)
    •
To relate the coefficients in a balanced chemical equation to:
      
(a) moles of reactants and products
       (b) liters of gaseous reactants and products

10.2 MOLE-MOLE RELATIONSHIPS (pg 254-255)
    • To relate the number of moles of two substances in a balanced chemical equation.

10.3 TYPES OF STOICHIOMETRY PROBLEMS (pg 255-257)
    •
To classify the three basic types of stoichiometry problems;
        mass-mass, mass-volume, and volume-volume.
    • To state the procedure for solving a
stoichiometry problem, given the balanced equation.

10.4 MASS-MASS PROBLEMS (pg 257-259)
    • To perform mass-mass stoichiometry calculations.

10.5 MASS-VOLUME PROBLEMS  (pg 260-262)
    • To perform mass-volume stoichiometry calculations.

10.6 VOLUME-VOLUME PROBLEMS (pg 262-265)
    • To perform volume-volume stoichiometry calculations.

10.7 THE LIMITING REACTANT CONCEPT (pg 265-267)
    •
To explain the concept of a limiting reactant.
    • To identify the limiting reactant in a chemical reaction, given the number of moles of each reactant
.

10.8 LIMITING REACTANT PROBLEMS (pg 267-271)
   
• To perform mass-mass stoichiometry calculations involving a limiting reactant.
    • To perform volume-volume
stoichiometry calculations involving a gaseous limiting reactant.

10.9 PERCENT YIELD (pg 271-272)
    • To calculate the percent yield for a reaction, given the actual yield and theoretical yield.



Homework: HW: Stoichiometry Sheet 1

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