Stoichiometry Review Jeopardy!!

Vocabulary

100

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

What is mole ratio?

200

The value of Avagadro's number:

What is 6.022 x 10²³?

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?

400

Label the different parts of the chemical reaction:(Before the arrow, the arrow and after the arrow)

A + B --> C

What are the following:

A+ B: Reactants      C: Product

--> Turns Into/Yields?

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?

Stoich

100

CO₂ + 2LiOH --> Li₂CO₃ + H₂O How many moles of lithium hydroxide are required to react with 20 mol of CO₂?

What is 40 mol LiOH?

200

6CO₂ +6H₂O --> C₆H₁₂O₆ + 6O₂ How 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?

300

2Mg +O₂ --> 2MgO How many GRAMS of magnesium oxide are produced from 1.2 moles of magnesium?

What is 48 g?

400

How many moles of water are produced from 36.00 grams of ammonium nitrate. 

2 NH₄NO₃ --> 2 N₂ + 4 H₂O + O₂

What is 0.8993 moles?

500

Hydrogen and oxygen gases react under a specific set of conditions to produce water. How many moles of oxygen would be required to produce 5.0 moles of water?

What is 2.5 mol O₂?

Mixed Problems

100

Mg + 2HCl --> MgCl₂ + H₂ How many grams of hydrogen will be produced if we start with 2 moles of hydrochloric acid and excess magnesium?

What is 2 g H₂?

200

Mg + 2HCl --> MgCl₂ + H₂ What mass of hydrochloric acid (MM=36.5 g/mol) is needed to react with 2.50 moles of magnesium?

What is 183 g HCl?

300

What is the molarity of a KCl solution if you are given 0.25 grams of KCl and 300. mL of the solution. 

0.011 M

400

Ammonia (nitrogen trihydride) decomposes to produce nitrogen and hydrogen gases. How many moles of H₂ can be formed by the decomposition of 0.145 moles of ammonia?

What is 0.218 mol H₂?

500

Hydrogen gas reacts with oxygen gas to form H₂O. Determine the limiting reactant when 5 moles of H₂ reacts with 7 moles of O₂.

What is H₂?

Mole Hill

100

What is the mole mass of H₂SO₄ ?

What is 98.09 g

200

How many atoms are in 2.34 mol of Te?

What is 1.41 x 10 ²⁴ atoms?

300

Calculate the number of grams in 0.636 mol of S?

What is 20.4 grams?

400

Calculate the number of particles in 5.12 grams of C?

What is 2.57 x 10²³ particles?

500

How many grams of sodium hydroxide are required to prepare a 500 mL of 0.100 M solution? 

What is 2 grams?

Acids/Bases & Neutralization Rxns

100

HCl

What is an Acid?

200

NaOH

What is a Base?

300

H₂CO₃

What is an Acid?

400

Write the full balanced equation for the neutralization reaction between potassium hydroxide and sulfuric acid, including physical states.

What is 

2KOH(aq) + H₂SO₄(aq) --> K₂SO₄(aq) + 2HOH(l)?

500

Write the full balanced equation for the neutralization reaction between sodium carbonate and acetic acid, with physical states.

What is 

Na₂CO₃(aq) + 2HC₂H₃O₂(aq) --> 2NaC₂H₃O₂(aq) + H₂O(l) + CO₂(g)?