This is the branch of chemistry that deals with mass relationships in compounds and reactions
What is Stoichiometry
100
This is the coefficient of hydrogen gas in the balanced form of the following reaction:
H2 + O2 --> H2O
What is 2?
100
This is the amount of moles that are contained in 18 grams of water
What is 1 mole?
100
This the the reactant which controls how much of any products will be made
What is the limiting reactant?
100
The type of bond that happens when atoms share electrons
What is covalent
200
In a chemical reaction, these numbers can be used to determine the mole ratio of any reactants and/or products
What are coefficients?
200
This is the coefficient in front of nitrogen gas in the correctly blanced form of the equation:
NH4NO2 --> N2 + H2O
What is 1?
200
This is the mass of carbon dioxide that is needed to react with 3.00 mol of H2O in the following reaction (molar mass of CO2 = 44 g/mol):
6CO2 + 6H2O --> C6H12O6 +6O2
What is 132 g?
200
This is how you can tell how much of the excess reactant is left over after a reaction
What is what you have or what you need?
200
What numbers on the periodic table provide the easiest way to determine valence electrons?
What are group numbers?
300
These are the units of molar mass
What is g/mol?
300
This is the mole ration of H2O to CH4 in the balanced form of the following reaction
CH4 + O2 --> CO2 + H2O
What is 2 :1
300
This is the mass of magnesium oxide produced from 2 moles of magnesium in the following reaction:
2Mg + O2 --> 2MgO
What is 81g
300
The percent yield tells you a relationship between the ________ yield and actual yield of a certain product.
What is theoretical?
300
Cations are formed when neutral atoms lose
What are electrons
400
In the reaction represented by the equation 2Al2O3 --> 4Al + 3O2, this is the mole ratio of Aluminum to Aluminum Oxide.
What is 2 : 1
400
This is how many moles of LiOH are required to react 20 moles of CO2 in the following reaction:
CO2 + 2LiOH --> Li2CO3 + H2O
What is 40 moles?
400
This the the amount of magnesium oxide that are needed to produce 125 grams of oxygen gas in the following reaction:
2MgO --> 2Mg + O2
What is 7.8 g of MgO?
400
If 75.0 g of CO reacts to produce 68.4 g of CH3OH, this is the percentage yield of CH3OH according to the following reaction:
CO + 2H2 --> CH3OH
What is 79.7%
400
This is the general formula for a double replacement reaction
What is AB + XY --> AY + XB
500
This is the molar mass of Copper (II) Sulfate
What is 160 g/mol?
500
In the balanced form of the following reaction, this is how many moles of ammonia are produced when 6 mol of hydrogen gas reacts completely:
N2 + H2 --> NH3
What is 4 moles
500
This is the mass of aluminum produced by the decomposition of 5 g of Al2O3 according to the following reaction:
2 Al2O3 --> 4Al + 3O2
What is 2.6 g
500
When 2.00 X 103 g of CaCO3 decomposes according to the following equation, the actual yield of CaO is 1.05 X 103 g. This is the percent yield.
CaCO3 --> CaO + CO2
What is 93.8%
500
The piece of equipment a student would use to obtain 8.0 mL of a liquid for an experiment