A conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles.
What is mole ratio.
100
What are 4 values you can interpret from a balanced chemical equation?
What is atoms, molecules, mol, mass, volume.
100
Write 12 mole ratios for the following equation:
5C + 2SO2 ---> CS2 + 4CO
What is a bunch of stuff Ms. Howard doesn't want to type.
100
Explain the process of determining the limiting reagent.
What is convert to moles of same substance then the one with the smallest moles is the LR.
100
What is the equation for calculating percent yield?
What is actual/theoretical X 100= percent yield.
200
The maximum amount of product that could be formed from given amounts of reactants.
What is theoretical yield.
200
Interpret the following equation in terms of moles:
2K + 2H2O ----> 2KOH + H2
What is 2 mols, 2 mols, 2 mols, 1 mol.
200
How many moles of CS2 form when 2.7 mol C reacts?
5C + 2SO2 ---> CS2 + 4CO
What is 0.54 mol
200
3.0 mol of Al mixed with 5.3 mol Cl2 and reacts in the following:
2Al + 3Cl2 ---> 2AlCl3
Determine the limiting reagent.
What is Al.
200
If the actual yield of a reaction is 26.7 g and the theoretical yield of the reaction is 32.0 g, what is the percent yield?
What is 83.4%.
300
The ratio of the actual yield to the theoretical yield expressed as a percent.
What is percent yield.
300
Balance the following equation and interpret it in terms of atoms:
Al + Cl2 ---> AlCl3
What is 2Al + 3Cl2 ---> 2AlCl3
2 atoms, 6 atoms, 2 atoms, 6 atoms
300
How many moles of carbon monoxide form at the same time that 0.246 mol CS2 forms?
5C + 2SO2 ---> CS2 + 4CO
What is 0.984 mol.
300
3.0 mol of Al mixed with 5.3 mol Cl2 and reacts in the following:
2Al + 3Cl2 ---> 2AlCl3
Calculate the number of moles of product formed.
What is 3.0 mol AlCl3
300
When 15.0 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this reaction?
Sb2S3 + 3Fe ---> 2Sb + 3FeS
What is 91.5%
400
The reagent that determines the amount of product that can be formed by a reaction.
What is limiting reagent.
400
Interpret the following equation in terms of molecules:
4NH3 + 6NO ---> 5N2 + 6H2O
What is 4 molecules of NH3, 6 of NO, 5 of N2, 6 of H2O
400
CO + 2H2 ---> CH3OH
How many grams of Hydrogen are necessary to react with 2.85 mol CO?
What is 11.4 g H2.
400
3CaCO3 + 2H3PO4 ---> Ca3(PO4)2 + 3CO2 + 3H2O
Calculate the number of grams of CO2 formed when 0.773 g H2O is produced.
What is 1.89 g CO2
400
When 50.0 g of silicon dioxide is heated with an excess of carbon, 32.2 g of silicon carbide is produced.
SiO2 + 3C ----> SiC + 2CO
What is the percent yield of the reaction?
What is 96.4%
500
The calculation of quantities in chemical reactions is a subject of chemistry called....
What is stoichiometry.
500
How does the following equation follow the conservation of mass: MgCl2 + Na2O ----> 2NaCl + MgO
What is the mass of the left is 157.19 and the right is 157.19.
500
5F2 + 2NH3 ---> N2F4 + 6HF
How many grams of N2F4 can be produced from 225g F2?
What is 123 g N2F4.
500
What is the maximum mass of iron, in grams, that can be obtained from 454 g of iron (III) oxide?
Fe2O3 + 3CO ----> 2Fe + 3CO2
What is 347 g Fe
500
If the reaction below proceeds with a 96.8% yield, how many grams of CaSO4 are formed when 5.24 g SO2 reacts with an excess of CaCO3 and O2?
2CaCO3 + 2SO2 + O2 ---> 2CaSO4 + 2CO2