Vocabulary
Chemical substances involved at the start of a chemical reaction
What are reactants?
A + B --> AB
What is synthesis?
Molar mass of Argon
What is 40 grams?
(What is 40 grams/mole?)
2 Buns + 1 Meat Patty + 1 Cheese -->
1 Cheeseburger
Number of cheeseburgers can you make with 8 buns
What are 4 cheeseburgers?
Moles of potassium atoms in 3.04 grams of pure potassium metal
What are 0.0778 moles K?
Chemical substances involved at the end of a chemical reaction
What are products?
AD --> A + D
What is decomposition?
Molar mass of H2O
What is 18 grams?
(What is 18 grams/mole?)
2 AlCl3 + 3 H2O --> Al2O3 + 6 HCl
Moles of HCl produced given 4 moles of H2O
What are 8 moles HCl?
Mass of chromium given 1.67 moles of it
What is 86.8 grams?
The mass of one mole of a substance
What is molar mass?
AB + CD --> AC + BD
What is double displacement?
Molar mass of C5H10O5
What is 150 grams?
(What is 150 grams/mole?)
Fe2O3 + 3 H2 --> 2 Fe + 3 H2O
Moles of iron produced if 25 moles Fe2O3 are used up in the reaction
What are 50 moles Fe?
2 Al + 3 Cl2 → 2 AlCl3
Moles of Cl produced when 249 g of AlCl3 are reacted according to this chemical equation
What are 5.62 moles Cl?
DOUBLE JEOPARDY
6.02 x 1023
What is Avogadro's number?
Jack is dancing with Jill. In the middle of the dance, Joe cuts in and dances with Jill.
This situation represents what kind of reaction?
What is single displacement?
Mass of aluminum oxide
What is 102 grams?
(What is 102 grams/mole?)
2 S + 3 O2 --> 2 SO3
Moles of O2 consumed if 1.9 moles of SO3 are produced
What are 2.9 moles O2?
(You have to round 2.85 to 2.9 because you want 2 sig figs!)
Mg + 2 HCl --> MgCl2 + H2
Grams of HCl consumed by the reaction of 2.50 moles of magnesium?
What are 180. grams HCl?
(Yes, you need to put a decimal after the 0 to make it 3 sig figs!!!) :]
Equations must be balanced to obey this law
What is Law of Conservation of Mass?
Methane burns in the presence of oxygen and produces water and carbon dioxide
What is combustion?
Molar mass of copper (II) chloride
What is 134 grams?
(What is 134 grams/mole?)
3 Cu + 8 HNO3 --> 3 Cu(NO3)2 + 2 NO + H2O
Moles of HNO3 needed to react with 2.56 moles of copper
What are 6.83 moles HNO3?
(You need to have 3 sig figs!)
DOUBLE JEOPARDY
NH4NO3 --> N2O + 2 H2O
Moles of NH4NO3 required to produce 33.0 grams of N2O
What are 0.750 moles NH4NO3?
(Yes, you need the 0 after the 5 to make your answer 3 sig figs)