Chemical Equations
Balancing Equations How to
Chemical Equations
Balancing Chemical Equations
Counting Atoms
Types of Reactions
100

The substances you start with in a chemical equation

What is Reactant

100

How do you balance equations?

What is by Adding coefficients

100

N2

What is Dinitrogen?

100

Balance the chemical equations.

 KOH +  H3PO4  K3PO4 +  H2O 

 

What is adding 3 KOH to the left side and 3 to H2O?

100

O3+N2

What is 2 Nitrogen and 3 0xygen? 5 Total

100

reactions that absorb energy

What is an endothermic reaction

200

the substances created in a chemical change/equation

What is a Product

200

what can never be changed while balancing equations

What is Subscripts

200

O2

What is molecular oxygen?

200

 SeCl6 +  O2 -------> SeO2 +  Cl2

What is adding 3 to Clleft side 

200

2Cl3 + B6 

what is 12 atoms?

200

AB + CD ------> AD +BC What type of reaction is this?

What is Double Replacement

300


What is a Yield Sign

300

This states that the number and kinds of atoms on the reactants has to be the same as the number and kinds of atoms on the products side.

What is Law of Conservation of Mass

300

NH3

What is Ammonia?

300

4Li + O2------->____Li2O

What is adding 2 to Li2O to the right side.

300

F + B7Cl2

What is Fluoride and seven Boron and two Chlorine?

300

This type of reaction Na + Cl -------> NaCl

What is Synthesis

400

What is the large number written before the element's symbol?

What is a Coefficient

400

What do coefficients indicate?

What is the Number of Molecules present

400

CH4

What is methane?

400

N2 + O2-------> N4O2

What is adding 2 to nitrogen to the left side?

400

2 NH4O3 

what is 16 atoms?


400

This type of reaction KCrO --------> KCr + O

What is Decomposition

500

What do subscripts indicate?

What is how many atoms of that element you have bonded together in a molecule

500

What equation does this represent

CO+ H2O --------> C6H12O6 + O2 + energy

What is Photosynthesis

500

C6H12O6

What is Glucose?

500

H2O2 ---------> H2O + O2

What is adding 2 Hydrogen to the left side and 2 Hydrogen to the right side??

500

6 H2O

What is 13 atoms?

500

This type of reaction CuCl2 + 2Al ------> 2AlCl3 + 3Cu

What is Single Replacement