Vocabulary
Moles to Moles
Predicting Reactions
Mass to Mass
Balancing Reactions
100

A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction.

What is mole ratio/stoichiometric conversion?

100

CO2 + 2Li(OH) --> Li2(CO3) + H2

The number of moles of lithium hydroxide are required to react with 2.5 mol of COin the reaction above.

What is 5.0 mol Li(OH)?

100

Mg + CuCl2 -->  

This is the product(s) of the above reaction.

What is Cu + MgCl2?

100

Mg + 2HCl --> MgCl2 + H2 

The mass of hydrogen produced from the reaction of 75 g HCl (MM=36.5 g/mol) and excess Mg.

What is 2.0 g H2?

100

N2 + H2 --> NH

In the unbalanced reaction above, this is the correct coefficient for N2

What is 1?

200

The measured amount of product obtained after performing a chemical reaction.

What is actual yield?

200

6CO2 +6H2O --> C6H12O6 + 6O2 

This many moles of carbon dioxide are needed to react with 3.25 mol of water in the reaction described above.

What is 3.25 mol CO2?

200

Na(OH) + LiCl -->  

This is the product(s) of the above reaction.

What is LiOH + NaCl?

200

2(KClO3) --> 2KCl + 3O2 

This is the mass of KCl produced if 5.0 g of KClO3 is decomposed in the above reaction.

What is 3 g KCl?

200

AlCl3 + Na --> NaCl + Al

This is the correct coefficient for NaCl to balance the above reaction

What is 3?

300

The reactant that determines the amounts of the other reactants that can combine--and the amount of product that can form--in a chemical reaction.

What is the limiting reactant?

300

2Mg +O2 --> 2MgO 

Thidmany moles of magnesium oxide are produced from 1.2 moles of magnesium.

What is 1.2 mol MgO?

300

This is the balanced chemical reaction for when CH4 combusts.

What is CH4 + 2O2 --> CO2 + 2H2O?

300

Sodium and chlorine react to produce sodium chloride (table salt; MM=58.5 g/mol). This is the amount of product that can be produced from 24.7 g of sodium and excess chlorine.

What is 62 g NaCl?

300

The coefficient of K(OH) in the reaction of:

Copper(II) hydroxide reacts with potassium metal to produce potassium hydroxide and copper.

What is 2?

400

The ratio of the actual yield to the theoretical yield, multiplied by 100.

What is percent yield?

400

Ammonia, NH3, is widely used as a fertilizer and in many household cleaners. This many moles of ammonia are produced when 6 mol of H2 gas react with an excess of N2 gas.

What is 4 mol NH3?

400

This is the product(s) of the reaction of sodium nitrate mixed with aluminum metal.

What is no reaction?

400

Sodium hydroxide reacts with sulfuric acid (H2SO4; MM=98.1 g/mol) to form water and sodium sulfate. This is the mass of sodium sulfate (MM=124 g/mol) that will be formed from 200 g NaOH (MM=40 g/mol) and an excess of sulfuric acid.

What is 355 g Na2SO4?

400

The complete balanced equation for the following reaction: When lithium hydroxide pellets are added to a solution of sodium sulfate, lithium sulfate and sodium hydroxide are formed.

What is: 2Li(OH) + Na2(SO4) --> Li2(SO4)  + 2Na(OH) ?

500

States that mass is neither created nor destroyed during ordinary chemical or physical reactions. (This is why we balance chemical equations!)

What is the law of conservation of mass?

500

H2 and O2 gases react under a specific set of conditions to produce water. This many moles of oxygen would be required to produce 5.0 moles of water.

What is 2.5 mol O2?

500

Aluminum oxide reacts with iron to form Fe3O4 and Aluminum. This is the limiting reactant when 5 moles of aluminum oxide reacts with 7 moles of iron.

What is iron?

500

When copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formed. If 15 g CuCl2 (MM=134.5 g/mol) react with 20 g NaNO3 (MM=85 g/mol), this much sodium chloride (MM = 58.5 g/mol) will be formed.

What is 13.0 g NaCl?

500

DOUBLE JEOPARDY!

Choose your wager.

This is the coefficient for O2 in the combustion of C6H14