Mighty Moles
Vocab
Magical Mole-Mole
Mysterious Mass-Mass
Name Your Limit (ing Reactant)
100
6.02 x 10^23 particles
What is one mole?
100

A ratio that shows the actual number of each element in a compound.

What is the molecular formula?

100

The molar mass of water.

What is 18.02 g/mol?

100

The difference between the units of molecular or formula mass and the units of molar mass.

What is one is g and one is g/mol?

100

The reactant which runs out first.

What is the limiting reactant?

200
Another name for the mole, after the scientist who studied it.
What is Avogadro's number?
200
Equations must be balanced so that they will obey this law.
What is the Law of Conservation of Mass/Matter?
200

C5H12 + 8O2 = 5CO2 + 6H2O The number of moles of carbon dioxide can I make if I start with 16 moles of oxygen gas.

What is 10 moles?

200

You should look here when solving a mass-mass problem.

What is the periodic table?

200

actual yield/theoretical yield x 100 =

What is percent yield?

300
The unit factor for a problem involving molar mass.
What is 1 mole over x grams or x grams over 1 mole.
300
On the left side of the equation in front of the yields sign.
What are reactants?
300

Balance. ___Al + ___Fe3O4 ---> ___Al2O3 + ___Fe

What is 8 Al + 3 Fe3O4 ---> 4 Al2O3 + 9 Fe ?

300

The number of grams of magnesium in 7.00 moles.

What is 170 g?

300

The reagents which do not run out when the reaction stops.

What are the reactants/reagents in excess?

400
Represented by the coefficient in a balanced chemical equation.
What is the number of moles?
400
The thing that will cause your reaction to stop.
What is the limiting reactant/reagent? (when it runs out)
400

___CH4 + ___O2 --> ___ CO2 + ___H2O If I want to get 5.3 moles of water, how many moles of methane do I need?

What is 2.65 moles of methane?

400

____Al2O3 --> ____Al + ____ O2 The number of grams of Al2O3 which decompose if 81 grams of Al react with oxygen gas.

What is 153 grams Al2O3?

400

500g HCl and 500g Ag Balancing the equation, then converting both masses of grams to moles.

What are the first steps to naming the limiting reactant?

500
The number of liters of one mole of a gas @ STP.
What is 22.4 L?
500
The calculation of quantitative (measurable #) relationships of the reactants and products in a balanced chemical reaction.
What is stoichiometry?
500

To get these, look at the coefficients in the balanced equation.

What is the numbers for a mole/mole ratio.

500

___H2 + ___ O2 --> ___ H2O The number of grams of oxygen gas which are needed to produce 10 grams of water.

What is 8.89 grams of O2?

500

The molecular formula of iron (III) phosphate.

What is FePO4?

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