chemical reactions ppts.

What are the six types of chemical reactions?
Chem II: 9.22.15
Due:
Chemical Reaction Review Packet
Objectives:
• Classify and balance chemical reactions.
• Review chemical nomenclature
• Establish states of matter for most substances
in a chemical reaction.
Chem II: 9.23.15
Due:
Chemical Reaction Review Packet
Objectives:
• Classify and balance chemical reactions.
• Review chemical nomenclature
• Establish states of matter for most substances
in a chemical reaction.
Chemical Bonding Exam
Misconceptions:
• Molarity vs. Molality
• Sigma vs. Pi Bonds
• Intermolecular Forces
Mole Conversion Map
http://mysite.cherokee.k12.ga.us
Types of Chemical Reactions
1. A+ B ----> AB
2. AB------> A + B
3. A+ BC ---> B + AC
4. AB + CD ---> CB + AD
5. CxHx + O2 ---->
CO2 + H2O
Balance Chemical Reactions
Chem II: 9.24.15
Due:
Chemical Reaction Review Packet
Objectives:
• Classify and balance chemical reactions.
• Establish states of matter for most substances
in a chemical reaction.
• Predict products in a chemical reaction.
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) Br2(liquid) and I2 (solid)
*Acids/Bases: aqueous(aq)
*Molecules (solids, liquids, gases)
*Ionic Compounds: solids
*Ionic Compounds Mix: homo: soluble (aq)
hetero: insoluble (s)
Chemical Reactions
Double Replacement Lab
Chemical Reactions
• What are the five types of chemical reactions?
States of Matter: Chemical Eqtns.
Chem II: 9.24.15
Due:
Predicting Products and States of Matter Wkshts.
Objectives:
• Classify, predict products/states of matter, and
balance chemical equations.
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
Chem II: 9.25.15
Due:
Predicting Products and States of Matter Wkshts.
Objectives:
• Classify, predict products/states of matter, and
balance chemical equations.
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
Chemical Reactions
Chemical Reaction
Classes
Definition
Example
Types of Chemical Reactions
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: 9.29.15
Due:
Predicting Products and States of Matter Wkshts.
Objectives:
• Classify, predict products/states of matter, and
balance chemical equations.
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
Predicting Products
• Which reactions were challenging to predict
products?
Chem II: 9.29.15
Due:
Double Replacement Lab: pre-lab questions
Objectives:
• Classify, predict products/states of matter, and
balance chemical equations.
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
Double Replacement Reactions
• How do you know when a double replacement
reaction has occurred?
Chem II: 10.02.15
Due:
Double Replacement Lab
Objectives:
• Chemical Bonding Enrichment Problems
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
• Establish Net-Ionic Equations for double
replacement reactions.
Homework:
Have a safe and fun fall break!
Chem II: 10.12.15
Infinite Campus:
Double Replacement Lab (30pts.)
Updated Chemical Bonding Exam
Objectives:
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
• Establish Net-Ionic Equations for double
replacement reactions.
• Identify reactions that products are challenging
to predict.
Double Replacement Reaction Lab
Pre-Lab:
• Predict products and record states of matter in boxes.
• Place star in boxes you predict the reaction will
occur.
Data/Analysis
• Record Observations
• Balance Reactions
• Calculate % Error
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.
Double Replacement Reactions
Single Replacement Rxtns: Activity Series Table
Predicting Products
Chem II: 10.15.15
Objectives:
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
• Establish Net-Ionic Equations for double
replacement reactions.
• Identify reactions that products are challenging
to predict.
Single Replacement Rxtns: Activity Series Table
Single Replacement Reactions
Chem II: 9.25.14
Due:
• Predicting Reactions as Endo/Exo (Energy)
• Predicting Products/States of matter DR Rxtns.
Objectives:
• Classify, predict products/states of matter, and
balance chemical equations.
• Understand and apply the Activity Series Table
and Solubility Rules Diagram with replacement
reactions.
Chemical Reactions
Chemical Reaction
Classes
Definition
Example
Chemical Reaction Energy
Diagram
Explain using data from graph whether or not this is an endothermic or exothermic
reaction.
Chemical Reaction Energy
Diagram
Explain using data from the graph whether is an endothermic or exothermic
reaction.
a
Activation
Energy
Synthesis Reactions
• Oxides of active metals react with water
to produce metal hydroxides.
Ex. CaO (s) + H2O(l) -----> Ca(OH)2 (s)
• Oxides of some non-metals react with
water to produce oxyacids.(containing
oxygen).
Ex. SO2(g) + H2O (l) ----> H2(SO3) (aq)
Decomposition Reactions
• Decomposition of less active metal oxides:
Ex. HgO (s) ----> Hg(l) + O2(l) (breaks into elements)
• Decomposition of metal carbonates:
Ex. Ca(CO3) --->CaO + O2 (metal oxide + CO2)
• Decomposition of metal chlorates
Ex. K(ClO3) (S) ----> KCl (S) + O2 (g) (metal chloride + O2)
• Decomposition of metal hydroxides (reverse of
synthesis)
• Decomposition of acids (reverse of synthesis)
Double Replacement
Homework:
• Qts. 1-5: Predict products, states of matter, and
balance for each double replacement rxtn.
Chem II: 9.29.14
Due:
• Double Replacement Practice Problems
Objectives:
• Classify, predict products, and balance
chemical equations.
• Assess the accuracy of the Activity Series
Table and the Solubility Table when predicting
replacement reactions.
• Establish the Net Ionic Equation for double
replacement reactions.
Bell Ringer: Chemical Reactions
1a. MgO (s) + Energy ----->
b. C6H12O6 (s) +
Mg +
O2
O2 (g) -----> CO2 + H2O + Energy
c. K(OH) (aq) + H2S (aq) + Energy-----> K2S + H2O
*Classify and balance each reaction above.
*Predict states of matter for products.
*Identify a reaction that is endothermic and exothermic.
Explain your answer.
2a.
Pb(NO3)4 +
BaI2 ----->
b. Na +
Al(PO4) ----->
*Classify and predict the products of each reaction above.
*Balance each reaction above.
*Predict states of matter for all substances in each reaction.
Bell Ringer: Chemical Reactions
1a. MgO (s) + Energy ----->
b. C6H12O6 (s) +
Mg +
O2
O2 (g) -----> CO2 + H2O + Energy
c. K(OH) (aq) + H2S (aq) + Energy-----> K2S + H2O
*Classify and balance each reaction above.
*Predict states of matter for products.
*Identify a reaction that is endothermic and exothermic.
Explain your answer.
2a.
Pb(NO3)4 +
BaI2 ----->
b. Na +
Al(PO4) ----->
*Classify and predict the products of each reaction above.
*Balance each reaction above.
*Predict states of matter for all substances in each reaction.
Balancing and Classifying Chemical Reactions
Double Replacement Reactions
• How do you know when a double replacement
reaction has occurred?
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: 9.30.14
Due:
• Double Replacement Practice Problems
• Single Replacement Lab-predicting reactions.
Objectives:
• Classify, predict products, and balance
chemical equations. (complete quiz!)
• Assess the accuracy of the Activity Series
Table and the Solubility Table when predicting
replacement reactions.
• Establish the Net Ionic Equation for double
replacement reactions.
Chemical Reactions Quiz
• When complete, head to the back to
complete 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.
Solubility Ranges
• Soluble: > 0.1M concentration of solute
dissolved in solution.
• Insoluble: < 0.0001M concentration of solute
dissolved in solution.
• Slightly soluble: between 0.0001M and 0.1 M of
solute dissolved in solution.
Chem II: 10.01.14
Due:
• Double Replacement Practice Problems-Net
Ionic
• Single Replacement Lab-predicting reactions.
Objectives:
• Establish the Net Ionic Equations for double
replacement reactions.
• Assess the accuracy of the Activity Series
Table and the Solubility Table when predicting
replacement reactions.
Double Repalcement:
Net Ionic Equations
Purpose:
• Determines which ions actually react in
a solution.
Na2(CO3) + Ag(NO3)  Na(NO3) +
Ag2(CO3)
Net Ionic Equations
KI
+ Pb(NO3)2
---->
PbI2
+
K(NO3)
1. Balance the chemical equation and establish
states of matter.
2. Re-write the equation emphasizing the ions in
the reaction.
3. Cancel out spectator ions.
4. Re-write equation with ions that participate in the
reaction.
Double Replacement Reactions
Net Ionic Equations
Assignment:
• Establish net ionic equations for reactions
you predicted would occur on double
replacement worksheet.
Single Replacement Reactions
• Not all single replacement reactions will occur.
• Why?
Ex. Li (s) + MgCl2(aq) -----> LiCl(aq) + Mg(s)
Ex. Cu(s) + MgCl2(aq) ----> NR! (no reaction)
Single Replacement Rxtns: Activity Series Table
Activity Series Lab Results
CuCl2
Cu
(copper II)
Mg
Zn
Ca
Ag(NO3) HCl
H(OH)
Chem II: 10.02.14
Due:
• Single Replacement Lab-predicting reactions.
• Chemical Reactions Study Guide- qts. 12-13
Objectives:
• Establish the Net Ionic Equations for double
replacement reactions.
• Assess the accuracy of the Activity Series
Table and the Solubility Table when predicting
replacement reactions.
Homework:
• Chemical Reactions Exam
Chem II: 10.14.15
Objectives:
• Establish the Net Ionic Equations for double
replacement reactions.
• Assess the accuracy of the Activity Series
Table and the Solubility Table when predicting
replacement reactions.
Predicting Products: Exceptions
Activity Series Lab
Purpose:
• Validate the accuracy of the Activity Series(AS)
Table in predicting single replacement reactions.
Pre-Lab:
• Using AS table predict which reactions will occur. If
you think it occurs, record products in appropriate
box.
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.
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.
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
Chemical Reactions Review