Chemistry - Unit 5 - Chemical Reactions

Chemical Equation

100

In a chemical reaction, the substances to the right of the arrow are called these:

What are products?

200

This is the law that states that matter cannot be created or destroyed, it can only be rearranged

What is the Law of Conservation of Matter? 

300

The abbreviation (aq) means what?

What is aqueous? 

400

The starting material in a chemical reaction is called

What are reactants? 

500

List the seven diatomic molecules!

What is H_2, N₂, O₂, F₂, Cl₂, Br₂, I₂

Counting Atoms

100

How many carbons are there in NaHCO₃?

What is 1?

200

How many oxygen are there in 2C₆H₈O₇?

What is 14?

300

How many aluminum atoms do we have in the product?

Al + O₂  →  Al₂O₃

What is 2

400

How many hydrogens are in this compound?

5Al(C₂H₃O₂)₃

What is 45?

500

How many oxygens do we have in the reactant side? 

3Ba(NO₃)₂ + 2Na₃PO₄ --> Ba₃(PO₄)₂ + 6NaNO₃?

What is 26?

Balancing

100

When balancing a chemical equation, these numbers can be changed

What are coefficients?

200

Balance the following chemical reaction:

H₂ + NaCl --> HCl + Na

What is 

H₂ + 2NaCl --> 2HCl + 2Na

300

Balance the following chemical equation:

NH₄NO₃  --->   N₂O  + H₂O

What is 

NH₄NO₃  --->   N₂O  + 2H₂O

400

Balance the following chemical equation: 

Al + H₂SO₄ --> Al₂(SO₄)₃ + H₂

What is 

2Al + 3H₂SO₄ --> Al₂(SO₄)₃ + 3H₂

500

Balance the following chemical equation:

CH₄ + O₂ --> CO₂ + H₂O

What is

CH₄ + 2O₂ --> CO₂ + 2H₂O

Types of Chemical Reaction

100

What kind of reaction is this?

Mn + CuSO₄ --> MnSO₄ + Cu

What is single replacement? 

200

What kind of reaction is this?

C₆H₁₂O₆ + 6O₂ --> 6CO₂ + 6H₂O

What is combustion?

300

What type of reaction is this:

Fe(OH)₃ --> Fe₂O₃ + 3H₂O

What is decomposition? 

400

What kind of reaction is this?

Na₂S + 2HCl --> 2NaCl + H₂S

What is double replacement?

500

What kind of reaction is this?

H₂S + 2Ag --> Ag₂S + H₂

What is single replacement?

Predicting Products

100

C₂H₃OH + O₂ --> 

What is CO₂ + H₂O

200

MgCl₂ + Al(OH)₃ --> 

What is

Mg(OH)₂ + AlCl₃

300

Na + Pb(NO₃)₂ --> 

What is 

NaNO₃ + Pb

400

FeCl₃ + Na₂SO₄ -->

What is

Fe₂(SO₄)₃ + NaCl

500

Al + H₂SO₄ -->

What is 

Al₂(SO₄)₃ + H₂

Grab Bag!

100

What kind of reaction is this?

2CaO + 2H₂O --> 2Ca(OH)₂

What is synthesis? 

200

The term that tells us how many atoms is in a compound. Hint - it's so small! 

What is a subscript?

300

Predict the products of this equation:

HCl + KOH --> 

What is 

HOH + KCl

400

What does the arrow sign mean? 

What is:

yield, becomes, forms, creates, decomposes

500

Balance this equation:

NaOH + H₃PO₄ --> Na₃PO₄ + HOH

What is

3NaOH + H₃PO₄ --> Na₃PO₄ + 3HOH