Chapter 17 Balancing Chemical Equations

Balancing Equations

100

____O₂ + ____H ==> ____HO

__1__O₂ + __2__H ==> __2__HO

200

___ N₂ + ___ O₂ ⮴ ___ N₂O₅  

__2_ N₂ + __5_ O₂ ⮴ __2_ N₂O₅ 

300

___ Na + ___ O₂ ⮴ ___ Na₂O  

_4__ Na + _1_ O₂ ⮴ __2_ Na₂O  

400

 ___ Al + ___ S₈ ⮴ ___ Al₂S₃  

_16_ Al + _3__ S₈ ⮴ __8_ Al₂S₃ 

500

 ___ C₂H₆ + ___ O₂ ⮴ ___ CO₂ + ___ H₂O

__2_ C₂H₆ + _7__ O₂ ⮴ _4__ CO₂ + _6__ H₂O

Reaction Types

100

A + B ==> AB

Addition/Synthesis

200

AB ==> A + B

Decomposition

300

AB + C ==> AC + B

Single Displacement

400

AB + CD ==> AC + BD

Double Displacment

500

What does the product of combustion look like? 

==> CO₂ + H₂0

Equation Parts

100

Define reactants

Starting parts of a chemical equation. 

200

Define Products.

Substance that is present at the end of a chemical reaction

300

What does the (l) stand for in a chemical equation?

Liquid

400

What does the (aq) stand for in a chemical equation.  This must be spelled correctly. 

Aqueous

500

What is the state of matter in the following equation.  H₂O.

Liquid

Atomic Mass (Will Require a Calculator)

100

Calcium - 40.08

Carbon - 12.01

Chlorine - 35.45

Hydrogen - 1.01

Nitrogen - 14.01

Oxygen - 16

Using the table above, what is the formula mass of HCl? 

36.46 amu (must have amu or it does not count)

200

Calcium - 40.08

Carbon - 12.01

Chlorine - 35.45

Hydrogen - 1.01

Nitrogen - 14.01

Oxygen - 16

Using the table above, what is the formula mass of CO₂?

44.01 amu

300

Calcium - 40.08

Carbon - 12.01

Chlorine - 35.45

Hydrogen - 1.01

Nitrogen - 14.01

Oxygen - 16

What is the formula mass of NHO₃

63.02 amu

400

Calcium - 40.08

Carbon - 12.01

Chlorine - 35.45

Hydrogen - 1.01

Nitrogen - 14.01

Oxygen - 16

What elements can be added to create an element with a formula mass of 17.01

OH

500

Calcium - 40.08

Carbon - 12.01

Chlorine - 35.45

Hydrogen - 1.01

Nitrogen - 14.01

Oxygen - 16

What elements can be added to create a compound with a formula mass of 110.98 amu (hint it is 2 elements XY_x)

CaCl₂

Miscellaneous

100

In which South American country is Cusco located? 

Peru

200

How many days were in the year 2004?

366 (it was a leap year, like 2024)

300

Which country is credited with creating cappuccino? 

Italy

400

How many siblings does Mr. Leidecker have? 

2 (older sister and little brother)

500

What foreign language did Mr. Leidecker take while he was in college?  This language is spoken mainly on the eastern half of Africa. 

Swahili