Mighty Moles
Vocab
Magical Moles
Great Gram-Formula Mass
Excellent Empirical Formulas & Percent Composition
100

The quantity of measurement that we use in all of Chemistry, for molecules, elements and other substances.

What is the mole?

100
On the right side of a chemical equation, these are the things that form in a reaction.

What are products?

100

2AgI + Na2S → Ag2S + 2NaI

The ratio of silver iodide to sodium iodide.

DOUBLE POINTS: The type of Chemical reaction that this is.

What is 2:2 or 1:1?

DOUBLE POINTS: What is a double replacement reaction?
100

The molar mass of calcium hydroxide (CaOH).

All teams that answer correctly within the time frame will receive points.

What is 74 g/mol?

100
The reactant which runs out first.
What is the limiting reactant?
200

Represented by the coefficient in a balanced chemical equation.

What is the number of moles?

200

A formula showing the proportion of a substance in the smallest whole number ratio

What is the empirical formula?

200

2C6H5COOH + 15O2 = 14CO2 + 6H2O

The ratio of benzoic acid (C6H5COOH) used to carbon dioxide formed, in the most simple form possible. 

What is 1 mol Benzoic acid:7 mols carbon dioxide?

200
The number of grams of magnesium in 7.00 moles.
What is 168 g?
200
actual yield/theoretical yield x 100 =
What is percent yield?
300

The operation used to convert mass to moles.

What is division? (Mass/gram-formula mass = moles)

300
On the left side of the equation in front of the yields sign.
What are reactants?
300

C5H12 + 8O2 = 5CO2 + 6H2

The number of moles of carbon dioxide I can make if I start with 16 moles of oxygen gas.

What is 10 moles?

300

The number of moles in 127.6 grams of HCl (molar mass: 36.46 g/mol).

What is 3.5 moles?

300
The reagents which do not run out when the reaction stops.
What are the reactants/reagents in excess?
400

Equations must be balanced so that they will obey this law.

What is the Law of Conservation of Mass/Matter?

400

The quantity in mass of one mole of a substance.

What is the gram-formula mass/molar mass? (they are the same thing!)

400

Balance: ___PCl5 + ___H2O ---> ___H3PO4 + ___HCl

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What is 1PCl5 + 4H2O ---> 1H3PO4 + 5HCl?

400

The gram-formula mass of Mg(HSO3)2.

(All teams that answer correctly within the time-frame will receive points)

What is 186.45 g/mol?

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

Another name for the mole, after the scientist who studied it.

What is Avagadro's number?

500

A solid that forms in a solution during a chemical reaction or change.

What is a precipitate?

500

___CH4 + ___O2 --> ___ CO2 + ___H2

If I want to get 5.3 moles of water, how many moles of methane (CH4) do I need?

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What is 2.65 moles of methane?

500

The mass of 2 mols of potassium permanganate (KMnO4).

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What is 316 grams?

500

The empirical formula of a compound with 15.8% carbon and 84.2% sulfur.

What is CS2?