| Category 1 | ||
| #1 | **Would you like to Double the Point Value?** What are the coefficients for this equation when it is balanced?
H2O2 => H2O + O2 |
2,2,1 |
| #2 | If a double replacement reaction is to occur, one of three things must form. What are these three possible products? |
A Precipitate (solid) A Gas or A Molecule (often water) |
| #3 | What does the symbol (aq) mean in a chemical equation? |
Aqueous (dissolved in water) |
| #4 | **Would you like to Double the Point Value?** What is the formula for Lead (IV) Oxide? |
PbO2 |
| #5 | Complete and balance this reaction on the board Au + KNO3 => |
NR |
| Category 2 | ||
| #1 | What type of reaction is 2H2O =>2H2 + O2 |
Analysis or Decomposition |
| #2 | **Would you like to Double the Point Value?** What are the seven diatomic elements? |
Hydrogen, Oxygen, Nitrogen, Fluorine, Chlorine, Bromine, and Iodine |
| #3 | What does an up arrow mean after a formula in a chemical equation? |
The substance is a gas |
| #4 | What are the products when Hydrogen Peroxide decomposes? |
Water and Oxygen |
| #5 | What are the products of Incomplete Combustion? |
Water and Carbon Monoxide
|
| Category 3 | ||
| #1 | What type of reaction is NaOH + HCl => NaOH + H2O |
Double Replacement |
| #2 | What is the formula for Tetraphosphorous Decoxide? |
P4O10 |
| #3 | What does a triangle mean above the arrow in a chemical equation? |
The reaction occurs when it is heated |
| #4 | What are the coefficients for the balanced equation given the following skeleton equation? Fe + Cl2 => FeCl3 |
2,3,2 |
| #5 | Complete and Balance this equation on the board C4H8 + O2 => |
C4H8 + 6O2 => 4CO2 + 4H2O |
| Category 4 | ||
| #1 | **Would you like to Double the Point Value?** What kind of reaction is 2H2 + O2 => 2H2O |
Synthesis or Direct Combination |
| #2 | What are the products of Complete Combustion? |
Water and Carbon Dioxide |
| #3 | What does a down arrow behind a formula in a chemical equation? |
The substance is a solid (a precipitate) |
| #4 | What are the coefficients for the balanced equation given the following skeleton equation? NH3 + O2 => N2 + H2O |
4,3,2,6 |
| #5 | **Would you like to Double the Point Value?** Complete and Balance this equation on the board K3PO4 + BaCl2 => |
2K3PO4 + 3BaCl2 => Ba3(PO4)2 + 6KCl |
| Category 5 | ||
| #1 | What type of reaction is Zn + 2HCl => ZnCl2 + H2 |
Single Replacement |
| #2 | What are the reactants in any combustion reaction? |
A hydrocarbon and oxygen |
| #3 | A substance that speeds up a reaction, but is not used in the reaction is called a... |
Catalyst |
| #4 | What is the formula for Iron (III) Carbonate? |
Fe2(CO3)3 |
| #5 | What are the five types of Chemical Reactions that we've studied? |
Synthesis, Analysis, Single Replacement, Double Replacement, and Combustion |
| Final Question | |
Please write down the balanced equation for the incomplete combustion of Propane, C3H8, and turn it in to me. Make sure that your team number is on the paper as well. |
2C3H8 + 7O2 => 6CO + 8H2O |