Calorimeters are used to measure the heat energy, q, absorbed or released in a physical or chemical change.  See p.308-311 in your text for help.  We completed an informal experiment using calorimeters.
Homework: Complete the questions from the experiment.  Record the assumptions made for calorimetry at the top of page 309.
 
When energy moves from one object to another, it is called heat.  The amount of energy transferred depends on mass of the object, how well it stores energy (specific heat capacity, found in tables on p.301 & 799), and the change in temperature of the object.  Refer to the text p.301-302 for help with solving the problems.  If you need help with significant digits, consult p.779.
Homework:  p.302 #8-12
REMINDER - Organic Chemistry Assignment is due Monday
 
We learned that chemical potential energy is stored in the bonds between atoms. Reactants and products have differing amounts of stored energy, so reactions either release or absorb energy.  We call these reactions endothermic or exothermic reactions, depending on the direction of energy flow.Consult the text on p.298-299 and 302-303 for help.
Homework:  Read p.298-299 and record bold terms and definitions; answer p.300 #1-5; read p.304 and answer p.304 #15
 
Most students wrote the unit test today.
 
The class worked on questions to review concepts from Grade 11 Chemistry that will be used in this unit.  The handout with the questions on it is on the unit 3 page of this site, and is labelled "review of gr 11".  The homework is on that page.
 
We discussed the effect of structure of isomers on the properties of molecules.  The period was used to prepare for the unit test.  The class has decided to move the test to Wednesday rather than tomorrow.
Reminder:  Your Organic Chemistry Assignment is due next Monday, Oct.31.
 
Synthetic fabrics are not made from addition polymers.  Polyester and nylon are both condensation polymers.  Read p.108-112 in the text for help.
Homework:  p.111 #1-3; p.113 (Section) #3-6
 
Read the text reference p.100-106 about addition polymers.  Know how to draw polymer structures from the monomer, monomers from the polymer, and repeating units as a condensed structure of the polymer.
Homework:  Answer p. 102 #1, 2; p.107 Practice #4, Section #1-5, 7
Review for the test next Tuesday is p.150-151 #1-14, 16, 17, 19-24; p.152-155 #1-3, 6, 7, 9, 10 (omit f; circle with line through it represents benzene), 16, 21, 23ab.  There are a few more review questions on a handout.
Complete the organic chemistry assignment, found on the Unit 2 web page of the grade 12 course, by Monday, Oct. 31. 
 
The three major types of organic reactions are substitution, addition, and elimination.  We defined them, and learned how to identify them.  You are to decide how to identify the other types of reactions we have learned about.
There was a handout provided for practice in identifying types of organic reactions and in predicting products of reactions.  Complete this for homework.
 
Students were given the assignment for this unit, to choose an organic chemical, find out how it affects our lives, and suggest ways to reduce its use.  It is found in the Organic Chemistry page of this site as "Organic Assignment".  It is due October 31.
Students worked in groups to determine similarities in nomenclature of organic chemicals.  A copy of the handout used is found in the Organic Chemistry page of this site as "nomen review lesson".
Unit test is next Tuesday, October 25.
Homework:  work on test review handouts and review from text:  p.150-151 #1-14, 16, 17, 19-24; p.152-155 #1-3, 6, 7, 9, 10(omit f), 16, 21, 23ab