?Fe + ? CI2 - ? FeCI3 balance
the equation

2 Fe + 3 Cl2 -> 2 FeCl3

Explanation:

Write out the problem and list how many of each element are on each side.

__Fe + __Cl2 -> __FeCl3

Fe = 1                 Fe = 1

Cl =2                  Cl = 3

As Cl needs changing on the reactants side, put a 3 in the __ space and write the problem again.

__Fe + 3 Cl2 -> __FeCl3

Fe = 1                 Fe = 1

Cl =6                  Cl = 3

Now fix the products side.

__Fe + 3 Cl2 -> 2 FeCl3

Fe = 1                 Fe = 2

Cl =6                  Cl = 6

Now fix the reactants again.

2 Fe + 3 Cl2 -> 2 FeCl3

Fe = 2                 Fe = 2

Cl =6                  Cl = 6

Hope this helps!

answer is: c. the experiment shows that the red substance experienced a chemical change.

this is chemical change (chemical reaction), because two new substances are formed (metalig liquid and gas), the atoms are rearranged and the reaction is followed by an energy change.

this is example of chemical decomposition.

chemical decomposition (analysis) is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.  

chemical decomposition is opposite of chemical synthesis.

why is cellular respiration important for homeostasis?

it changes food into energy that the organism can use.

which of the following is most likely to happen if a cell is not able to divide?

the cell will not be replaced when it is damaged.

explanation: