NAME______
Chemical Equations ONLINE PROJECT
Complete each section of the project by answering the questions in complete sentences on report sheet provided at end of the instructions. Websites and videos are provided to assist you. Equations should be rewritten with correct balancing. Typed or copied work will not be accepted. Neatness counts. I will only accept projects completed on the report sheet that are handwritten and turned in by the beginning of class on December 11th.
Website 1: http://www.chemtutor.com/react.htm
video -http://www.youtube.com/watch?v=UGf60kq_ZDI
1. What does the Law of Conservation of Mass state?
2. What is a reversible reaction and how is it indicated?
3. Write the reaction for a silver spoon tarnishing. What type of reaction is this?
4. Write the reaction for the burning of Methane gas (the gas used in Chemistry lab). What type of reaction is this?
5. Write the reaction of the neutralization of stomach acid. What type of reaction is this?
6. Does the order in which the reactants and products are written in the chemical equation matter?
7. Very often you will see the descriptions of the materials in the reaction in parentheses after the material. List the different things that can be written.
8. What hint do they give you when balancing equations with polyatomic ions?
9. What about with water?
10. Use the website to help you balance the following equations. It takes you through each one, step by step.
a. _ N2 + _ H2 _ NH3
b. AgNO3 + _ CaCl2 _ AgCl + _ Ca (NO3)2
c. _ H2SO4 + _ K+(OH)- _ K+2(SO4)2+ + _ H2O
d. _ H3PO4 + _ Ca2+(OH)-2 _ H+(OH)- + _ Ca2+3(PO4)3-2
e. _ CH4 + _ O2 _ H2O + _ CO2
f. _ C4H10 + _ O2 _ CO2 + _ H2O
g. _ C3H7OH + _ O2 _ CO2 + _ H2O
h. _ Fe3O4 + _ CO _ CO2 + _ Fe
11. Write the Balanced Equation from these word equations. Tell what type of reaction is occurring. Use the website to check your answers.
a. sulfur trioxide and water combine to make sulfuric acid.
b. calcium carbonate will come apart when you heat it to leave calcium oxide and carbon dioxide.
c. aluminum hydroxide and sulfuric acid (H2SO4) neutralize to make water and aluminum sulfate.
d. propane burns (C3H8) with oxygen to produce carbon dioxide and water.
e. zinc and copper II sulfate yield zinc sulfate and copper metal
Website 2: http://www.chem.vt.edu/RVGS/ACT/notes/Types_of_Equations.html
Video -http://www.youtube.com/watch?v=tE4668aarck
1. Formulas show chemistry at a . Equations show chemistry
2. What are two important principles to remember when balancing equations?
3. What are the diatomic molecules?
4. What does a delta sign mean above the arrow?
5. Read how to predict the products for each of the different types of reactions. Use the website to practice predicting the products by clicking on the hyperlink after each section. Complete at least 3 of these and copy them onto your report page.
Website 3: http://misterguch.brinkster.net/6typesofchemicalrxn.html
1. Give the general form for each of the six types of chemical reactions:
a. Combustion
b. Synthesis
c. Decomposition
d. Single displacement
e. Double displacement
f. Acid-base (we will talk about this in the acid/base Unit – it is a type of double displacement)
2. Use Mr. Guch's Handy Checklist for figuring out what type of reaction is taking place. Then answer “How do you know the following reaction is occurring?” (the first one is done for you as an example)
a. Combustion – oxygen is one of the reactants and the products are carbon dioxide and water.
b. Synthesis
c. Decomposition
d. Single displacement
e. Double displacement
f. Acid-base (we will talk about this in the acid/base Unit)
3. List what type the following reactions are. Use the website to check your answers.
1) NaOH + KNO3 --> NaNO3 + KOH
2) CH4 + 2 O2 --> CO2 + 2 H2O
3) 2 Fe + 6 NaBr --> 2 FeBr3 + 6 Na
4) CaSO4 + Mg(OH)2 --> Ca(OH)2 + MgSO4
5) NH4OH + HBr --> H2O + NH4Br
6) Pb + O2 --> PbO2
7) Na2CO3 --> Na2O + CO2
Website #4 http://www.occc.edu/kmbailey/chem1115tutorials/Net_Ionic_Eqns.htm video - http://www.youtube.com/watch?v=BQFykq21T0E
- Write the complete ionic and net ionic equations for each of the following reactions:
1. 3 (NH4)2CO3 (aq) + 2 Al(NO3)3 (aq) --> 6 NH4NO3 (aq) + Al2(CO3)3 (s)
2. 2 NaOH (aq) + H2SO4 (aq) --> Na2SO4 (aq) + 2 H2O (l)
3. Mg (s) + 2 HCl (aq) --> MgCl2 (aq) + H2 (g)
4. Zn (s) + CuSO4 (aq) --> ZnSO4 (aq) + Cu (s)
5. Na2CO3 (aq) + 2 HNO3 (aq) --> 2 NaNO3 (aq) + H2O (l) + CO2 (g)
Check your answers on the website
Website 5:
http://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/archive/chemmatters-dec2009-movies.pdf
Hollywood’s Special Effects: How Did They Do That?
1. List three different chemical substances used by special effects experts. Tell what each is used for.
2. Why is artificial snow better than the real thing?
3. List at least two different recipes or substances used in the past for artificial snow (11 are listed in the article).
4. What’s wrong with using confetti for snow?
5. What is a polymer?
6. Explain what happens in the hydrogen bonding inside the polymer chains when sodium polyacrylate is exposed to water.
7. List the three major ingredients in latex foam.
8. Explain the role of sulfur as a curing agent for latex foam as the foam is heated.
9. Heat “cures” latex foam. What cures silicone, and how does it work?
10. What is the advantage of using miniature buildings to represent on-screen explosions?
11. What are the main ingredients of black powder?
Report sheet for Fall Equation Project
Name ______
Website #1
1______
2______
3______
4______
5______
6______
7______
8______
9______
10. Balance equations
A ______
B______
C______
D______
E______
F______
G______
H______
11 . Write formulas, Balance and tell type
A ______
B______
C______
D______
E______
Website #2
1. ______
______
2. ______
3. ______
4. ______
5. ______
______
Website #3
1. General form of types
A______
B______
C______
D______
E______
F______
2. How do you know the reaction is occurring
A______
B______
C______
D______
E______
F______
3. Reaction types
1. ______
2. ______
3. ______
4. ______
5. ______
6. ______
7. ______
Websites #4
1. ______
2. ______
3. ______
4. ______
5. ______
Website #5: Hollywood application
1.______
2. ______
3.______
4. ______
5.______
6.______
7. ______8.______9. ______10. ______
11. ______
1