Stoichiometry
Molar mass
Balancing Chemical equations
Vocab
Final jeopardy
100
Convert 15 grams of H2O into moles.
0.83 moles of H2O
100
What is the molar mass of Sb?
121.76 g/mol Sb
100
Balance the following equation
Na + O2. --> Na2O
4Na + O2 --> 2Na2O
100
What is the definition of a limiting reactant?
A reactant that is used up first in a chemical reaction.
200
How can humans limit human error in Stoichiometry problems?
Round @ the End
200
What is the molar mass of Na3PO4?
163.84 g/mol. Na3PO4
200
Balance the following equation
N2 + F2 --> NF3
N2 + 3F2 --> 2NF3
200
What is a chemical reaction?
A process in which the atoms of one or more substances are rearranged to form different substances
300
How many moles of Hydrogen Chloride (HCl) are there in 8.2 grams of HCl?
.22 moles of HCl
300
What is the molar mass of hydrogen peroxide?
34.02 g/mol H2O2
300
Balance the following equation.
P + O2 --> P2O5
4P + 5O2 --> 2P2O5
300
What is a reactant?
An element or product that react together to form a product.
300
How many grams of lithium Nitrate will be needed to make 250 grams of lithium sulfate assuming that you have an adequate amount of lead (IV)
Pb(SO4)2 + 4 LiNO3 --> Pb(NO3)4 + 2 Li2SO4
313.48g of LiNO3
400
How many grams are there in 40 moles of CO2?
1,760.40 g CO2
400
What is the molar mass of (NH4)2S?
68.13 g/mol of (NH4)2S
400
Balance the following equation
C6H10 + O2 --> CO2 + H2O
2C6H10 + 17O2 --> 12CO2 + 10 H2O
400
What is a product?
The result reactants reacting together or reactants breaking down.
500
Using the balance equation below: How many moles of O2 are needed to produce 30 moles of H2O?
2H2+ O2→ 2H2O
15 moles of H2
500
What is the molar mass of Zn(C2H3O2)2
183.4 g/mol Zn(C2H3O2)2
500
Balance the following equation
CO2 + H2O --> C6H12O6 + O2
6 CO2 + 6 H2O --> C6H12O6 + 6 O2
500
What is the definition of molar mass?
Everyone should get this right... (xg/mol.)