The Basics
Yield!Yield!Yield!
Investigate and Formulate
Balance and Composition
100
The reagent totally consumed in a complete chemical reaction
What is limiting reactant
100
Determine the theoretical yield of the following equation given 1 mole A and 2mole B
2A+B --> AB
What is 1/2 AB
100
The product of metallic element sodium combining with non metallic element Bromine
What is NaBr
100
The smallest whole number coefficients for each substance in the chemical equation when balanced
_AgI+_Na2S -->_Ag2S+_NaI
What is 2,1,1,2
200
Two or more substances react to form one product
What is a combination reaction
200
How many moles of iron are necessary to react completely with 1.75 mol of oxygen gas
3O2(g)+4Fe(s) --> 2FeO3(s)
what is 2.33 mol
200
The grams of aluminum hydroxide obtained form 14.2 grams of aluminum sulfide which reacts with water to form aluminum hydroxide and hydrogen sulfide.
What is 14.7 g
200
Mass in grams of 0.105 mol sucrose(C12H22O11)
What is 35.9 g
300
These two are always the products of a combustion reaction
What are water and carbon dioxide
300
The grams H3PO4 produced when 93.8 grams of PCl5 were reacted with 20.3 grams of H2O
What is 27.63 grams
300
Equimolar amounts of nitrogen, hydrogen, and argon are placed in a reaction chamber. The amount of which substance(s) will determine the amount of ammonia produced in the reaction below if the reaction goes to completion?
N2(g)+3H2 --> 2NH3(g)
What is Hydrogen
300
Number of molecules in 35.0 grams of AgCl
What is 1.47 molecules
400
The sum of atomic mass in a chemical formula
what is formula weight
400
What is the theoretical yield of aluminum chloride that could obtained from 6.00 mol of barium chloride and excess aluminum sulfate
Al2(SO4)3+3BaCl2--> 3BaSO4+2AlCl3
what is 534 g
400
A hydrocarbon fuel is fully combusted with 18.214 g of oxygen to yield 23.118 g of carbon dioxide and 4.729 g of water. Find the empirical formula for the hydrocarbon.
What is CH
400
The balanced equation of lead(II) nitrate and hydroiodic acid
What is 2H(NO3)+PbI2
500
It is an important quantity and a celebrated science day
What is a mole
500
The percentage yield when 14.8 g of ammonia are reacted with 36.1 g o2 gas and 15.3 g of water are produced
What is 87.9%
500
A 1.50 g sample of hydrocarbon undergoes complete combustion to produce 4.40 g of CO2 and 2.70 g of H2O. What is the empirical formula of this compound? In addition, its molecular weight has been determined to be about 78. What is the molecular formula?
What is C5H15
500
The number of oxygen atoms in a sample of calcium carbonate in the form of a cube measuring 2.005 in. on each edge with the density of 2.71 g/cm^3
What is 6.46x10^24 atoms