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Balancing/Identifying Equations
Calculating Moles
Calculating Mass
Percent Yield
Miscellaneous
100

A reaction where two reactants become one product

A synthesis reaction?

100
Moles of Al needed to form 2.3 moles Al2O3? 4Al + 3O2 → 2AlO3
What is 4.6 moles Al?
100
The first step in calculating the mass of a product.
What is converting grams to moles?
100
The formula for percent yield.
What is actual yield/theoretical yield?
100
The calculation of quantities in chemical reactions.
What is stoichiometry?
200

A reaction containing O2, CO2, and H2O

A combustion reaction?

200
Moles of Al2O3 formed when 0.78 moles of O2 reacts with Al? 4Al + 3O2 → 2AlO3
What is 0.52 moles Al2O3?
200
The last step in calculating the mass of a product.
What is converting moles to grams?
200
The maximum amount of product that can be made from reactants.
What is theoretical yield?
200
Avogadro
Who discovered the mole?
300

__Be2C + __H2O -> __Be(OH)2 + __CH4

1Be2C + 4H2O -> 2Be(OH)2 + 1CH4

300
The second step in all mole calculation equations.
What is using a ratio?
300
Grams of NH3 produced by 5.40g Hydrogen with excess Nitrogen. N2 + 3H2 → 2NH3
What is 30.4g NH3?
300
The percent yield of an actual yield of 21 cookies from a box that should have made two dozen cookies.
What is 87.5%?
300
Two or more materials that make a product
What are reactants?
400

___Al(NO3)3 + ___(NH4)3PO4 → ___AlPO4 + ___ NH4NO3

1Al(NO3)3 + 1(NH4)3PO4 → 1AlPO4 + 3NH4NO3

400
Ratio for amount of O2 needed to react with 13 moles Al? 4Al + 3O2 → 2AlO3
What is 3 mol O2/4 mol Al?
400
Grams of NaOH produced with 15g of KOH. 1Na3PO4 + 3KOH → 3NaOH +1K3PO4
What is 11g KOH?
400
Percent yield of 23g/22g.
Non-existent--actual yield cannot be greater than theoretical yield.
400
symbol "aq"
What is the symbol for aqueous?
500

Balance and Identify this equation: __HBr + __Al(OH)3 → __H2O + __AlBr3

3HBr + 1Al(OH)3 → 3H2O + 1AlBr3 Double-Displacement

500
Moles of water formed when starting with 1.5 moles NaHCO3? 2NaHCO3 → Na2CO3 + H2O + CO2
What is 0.75 moles H2O?
500
Grams of Carbon Dioxide produced when 3.3g of CO react with Oxygen. (Balance the equation)
What is 5.2g CO2?
500
Percent yield of 14.9g Nitrogen, 10.6g Ammonia produced. (balance the equation)
What is 62.4%
500
The symbol for a reaction that needs heat
What is Δ ? ---->