Chem II: 10.14.14
Objectives:
• Chemical Bonding Corrections
• Classify and Balance Chemical Reactions
Homework:
• Classify and Balance Reactions Wksht.
Chemical Bonding Exam
• Corrections must be circled if credit is given. (I
need to clearly identify your corrections!)
Chem II: 10.15.14
Due:
• Classify and Balance Reactions Wksht.
Objectives:
• Classify and Balance Chemical Reactions
• Predict products of a chemical reaction
• Predict states of matter for substances in a
reaction.
Homework:
• Predict products/states of matter wksht
Chemical Reactions
Chemical Reaction
Classes
Synthesis
Decomposition
Single Replacement
Double Replacement
Neutralization
Combustion
Definition
Example
Chem II: 10.16.14
Due:
• Classify and Balance Reactions Wksht.
Objectives:
• Classify and Balance Chemical Reactions
• Predict products of a chemical reaction
• Predict states of matter for substances in a
reaction.
Homework:
• Predict products/states of matter wksht.
Types of Chemical Reactions
Identify which type of chemical reaction is being
illustrated below:
1. (A+ B ----> AB)
2. AB------> A + B)
3. (A+ BC ---> B + AC)
4. (AB + CD ---> CB + AD)
5. (CxHx + O2 ----> CO2 + H2O)
6. (Acid + Base--> H2O + Salt)
Chem II: 10.20.14
Infinite Campus:
• Classifying and Balancing Reaction Quiz (6pts.)
Objectives:
• Classify and Balance Chemical Reactions
• Predict products of a chemical reaction
• Predict states of matter for substances in a
reaction.
Homework:
• Predict products/states of matter wksht.
Bell Ringer: Chemical Reactions Quiz
1. Classify and balance each reaction below.
a. 2MgO (s) + Energy -----> 2Mg (s) + O2 (g)
b. C6H12O6 (s) + 6O2 (g) -----> 6CO2 (g) + 6H2O(g) + Energy
c. 2K(OH) (aq) + H2S (aq) + Energy-----> K2S(aq) + 2H2O (l)
2. Match each reaction above with the correct energy
diagram below. (Hint: endothermic vs. exothermic)
Chemical Reaction:
Exothermic
Explain using data from graph whether or not this is an endothermic or exothermic
reaction.
Chemical Reaction:
Endothermic
Explain using data from the graph whether is an endothermic or exothermic
reaction.
a
Activation
Energy
Double Replacement Reactions
Chem II: 10.21.14
Due:
Double Replacement Lab
Objectives:
• Classify and Balance Chemical Reactions
• Predict products of a chemical reaction
• Predict states of matter for substances in a
reaction.
Homework:
• Predict products/states of matter wksht.
Double Replacement Reactions
• A solid, gas, or liquid product must be
produced in order for the reaction to occur.
Double Replacement Reactions
• A solid, gas, or liquid product must be
produced in order for the reaction to occur.
Chem II: 10.21.14
Due:
Double Replacement Lab Reactions Balanced
Objectives:
• Classify and Balance Chemical Reactions
• Predict products of a chemical reaction
• Predict states of matter for substances in a
reaction.
Homework:
• Complete post-lab qts. from lab.
Double Replacement Lab
Double Replacement Reaction Lab
Data:
• Place a star in boxes where the reaction occurs.
• Record all experimental evidence validating a
reaction or not.
• Calculate the percent error of the experiment.
Conclusion:
• A few sentences stating the degree of accuracy of
the solubility table in predicting double replacement
reactions. Use experimental data to support your
conclusion.
Chem II: 10.23.14
Due:
Double Replacement Lab w/ balanced equations.
Objectives:
• Classify and Balance Chemical Reactions
• Predict Replacement Reactions (single/double)
using solubility or activity series table.
Homework:
• Single Replacement Lab: Pre-Lab Qts.
Double Replacement Lab
1. Record below a double replacement reaction
(balanced) from the lab that did occur.
2. Record below a double replacement reaction
(balanced) from the lab that did NOT occur.
Double Replacement Lab
1. Record below a double replacement reaction
(balanced) from the lab that did occur.
2. Record below a double replacement reaction
(balanced) from the lab that did NOT occur.
Double Repalcement:
Net Ionic Equations
Purpose:
• Determines which ions actually react in
a chemical reaction.
Na2(CO3) + Ag(NO3)  Na(NO3) +
Ag2(CO3)
Double Replacement Reactions Lab
Net Ionic Equations
Assignment:
• Establish the net ionic equation for 4 other
double replacement reactions that you
observed occurred in the lab.
• Due tomorrow with your lab.
Chem II: 10.27.14
Infinite Campus:
• Double Replacement Lab(14pts.)
Objectives:
• Predict Single Replacement Reactions
using activity series table. (complete lab)
Homework:
• Chemical Reactions Review-test Wed.
Activity Series Lab
Pre-Lab:
• Using AS table predict which reactions will occur. If
you think it occurs, record products in appropriate box
and establish state of matter for each substance.
Data:
• Place a star in each box where you observe a reaction
occurring. Record evidence of reaction occurring or
not.
• Calculate percent error of the AS table.
Conclusion:
A few sentences stating the degree of accuracy of the
AS table in predicting single replacement reactions.
Provide expt. evidence to support your conclusion.
Single Replacement Rxtns: Activity Series Table
Chem II: 10.28.14
Due:
• Single Replacement Lab
Objectives:
• Chemical Reaction Review-Gallery Walk
Homework:
• Chemical Reactions Review-test Thurs.
• Oxidation/Reduction Worksheet
Chem II: 10.27.14
Infinite Campus:
• Double Replacement Lab(14pts.)
Objectives:
• Predict Single Replacement Reactions
using activity series table. (complete lab)
Homework:
• Chemical Reactions Review-test Wed.
Activity Series Problems
Chem II: 10.29.14
Graded:
• Single Replacement Lab
Objectives:
• Chemical Reactions Review-Gallery Walk
• Introduce Aqueous Reactions
Homework:
• Chemical Reactions Review-Test Friday
Single Replacement Lab
Chemical Reaction: Bell Ringer
1. K2(SO4) + Ba(C2H3O2)2  Ba(SO4) + K(C2H3O2)
a. Balance and classify states of matter.
b. If reaction occurs, establish net ionic equation below.
2. Predict whether the reactions will occur. If they do, predict
products, states of matter and balance.
a. Co + LiCl --->
b. K + H2O (room temp.) ---->
c.
Cl2 + CuBr ---->
Single Replacement Rxtns: Activity Series Table
States of Matter: Chemical Rxtns.
• States of matter: (s l, g,aq)
• Types of Matter in Reactions @ R.T.
*metals: solids, except Hg
*diatomic molecules: (most are gases H2, N2,
O2, F2, Cl2) exceptions:Br2(liquid); I2 (solid)
*Acids: are aqueous
*Molecules (solids, liquids, gases)
*Ionic Compounds: solids
*Ionic Compound Mixtures:(solubility table)
homo: soluble (aq)
hetero: insoluble (s)
Chemical Reactions Review