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Mighty Moles
Very Vocab
Magical Mole
Mysterious Mass
Super Stoich
100
6.02 x 10^23
What is a mole? (or Avogadro's Number?)
100
Compounds on the left side of a chemical equation.
What are reactants?
100
The conversion factor obtained from the coefficients of a balanced chemical equation.
What is the mole ratio?
100
What you look at to find the molar mass of an atom or molecule.
What is the periodic table?
100
The term to describe the reactant which runs out first.
What is the limiting reactant?
200
The number of moles of potassium (K) atoms in 1.505 x 10^24 atoms of potassium.
What is 2.5 moles of K?
200
Equations must be balanced so that they will obey this law.
What is the Law of Conservation of Mass?
200
The molar mass of calcium hydroxide.
What is 74 g/mol?
200
The amount of grams in 3 moles of H2 gas.
What is 6.06 grams?
200
B2H6 + 3 O2 ---> 2 HBO2 + 2 H2O The number of moles of water produced from 19.2 g of B2H6.
What is 1.39 mol H2O?
300
The total number of CO2 molecules in 10 moles of CO2.
What is 6.02 x 10^24?
300
A mathematical 'tool' to cross out units and convert to other units.
What is dimensional analysis?
300
8 Al + 3 Fe3O4 ---> 4 Al2O3 + 9 Fe The mole ratio relating Fe3O4 to Al2O3
What 3 mol Fe3O4 / 4 Al2O3 ? (or the reciprocal)
300
The number of moles of magnesium in 7.00 grams Mg.
What is 0.29 moles Mg?
300
2 Al2O3 ---> 4 Al + 3 O2 The number of grams of Al2O3 which decompose if 81.0 grams of Al is produced
What is 153 grams Al2O3?
400
The number of gold (Au) atoms in 1.5 moles of gold.
What is the 9.03 x 10^23 atoms of gold?
400
The thing that will cause your reaction to stop.
What is the limiting reactant?
400
CH4 + 2 O2 --> CO2 + 2 H2O If I want to make 5.3 moles of water, how many moles of methane do I need?
What is 2.65 moles of methane?
400
The number of grams in 3.2 moles of NaCl
What is 187.01 g NaCl?
400
2 H2 + O2 --> 2 H2O The number of grams of oxygen gas which are needed to produce 10.0 grams of water.
What is 8.89 grams of O2?
500
The total number of oxygen atoms in 2.0 moles of CO2.
What is 2.4 x 10^24 oxygen atoms?
500
The calculation of quantitative relationships of the reactants and products in a balanced chemical reaction.
What is stoichiometry?
500
C5H12 + 8 O2 ---> 5 CO2 + 6 H2O The number of moles of carbon dioxide can I make if I start with 16 moles of oxygen gas.
What is 10 mol CO2?
500
The number of moles of calcium in 58 grams of Ca.
What is 1.45 mol Ca?
500
SnO2 + 2 H2 ---> Sn + 2 H2O You have 36 g of SnO2 and 36 g of H2. How many grams of H2O is produced?
What is 8.6 g H2O?