# data[].attributes.headline
single replacement--- has a plus sign on both 

# data[].attributes.subject
single replacement--- has a plus sign on both 

# data[].attributes.body
1.) 2Al  + Fe ₂ O ₃  --> 2Fe  +  Al ₂ O 3

2.) 3H ₂ CO ₃ +  2Al  --> 3H 2  + Al ₂(CO ₃)3

3.)  2Ca  +  2HCl  --> 2CaCl ₂  +  H 2

4.)Cu ₂ SO ₄  +  Zn  -->  2Cu  + ZnSO 4

5. Cl ₂  + 2KI  --> 2KCl  +  I ₂

# data[].attributes.headline
Double replacement--- plus sign on both its always with another element.

# data[].attributes.subject
Double replacement--- plus sign on both its always with another element.

# data[].attributes.body
1.)CaCl 2  + Na ₂ SO ₄  --> CaSO ₄  + 2NaCl

2.)AgNO ₃  + NaBr  --> NaNO ₃  +  AgBr

3.)MgCl ₂  +  2NH ₄ OH  --> Mg(OH)₂  +  2NH ₄ Cl'

4.) 2KI  +  Pb(NO ₃)₂  --> PbI ₂  +  2KNO 3

5.) 2Al(OH)₃  + 3H ₂ SO 4 --> Al ₂(SO ₄)₃  + 6H ₂ O

# data[].attributes.headline
Decomposition--- only has a plus sign on the product  side of the equation

# data[].attributes.subject
Decomposition--- only has a plus sign on the product  side of the equation

# data[].attributes.body
1.)2KClO ₃  -->  2KCl  +  O 2

2.) 2HgO -->  2Hg  +  O 2

3.)  2NO ₂  --> 2O ₂  + N 2

4.)  Ba(OH)₂  -->  BaO  +  H ₂ O

5.) MgCO 3  --> MgO  + CO 2

# data[].attributes.headline
Synthesis--- only has the plus sign on the reactant side of the equation 

# data[].attributes.subject
Synthesis--- only has the plus sign on the reactant side of the equation 

# data[].attributes.body
1.) 2C ₅ H ₅  +  Fe  -->  Fe(C ₅ H ₅)2

2.) SO ₂  +  H ₂ O  -->  H ₂ SO 3

3.) P ₄  +   3O ₂  -->   P ₂ O 3

4.)  2NH ₃  +  H ₂ SO ₄  -->  (NH ₄)₂ SO 4

5.) Li ₂ O  +  CO ₂  -->  Li ₂ CO ₃

# data[].attributes.headline
        Combustion--- has three or more coefficients and only uses the symbols C,H,O 

# data[].attributes.subject
        Combustion--- has three or more coefficients and only uses the symbols C,H,O 

# data[].attributes.body
1.) C ₂ H ₅ OH  +  3O 2  -->  2CO ₂  +  3H ₂ O

2.) 2CH ₃ OH  +  3O 2  -->  2CO ₂  +  4H ₂ O

3.)  C ₂ H ₄  +  3O 2  --> 2CO ₂  +  2H ₂ O

4.) C ₅ H ₈  +  7O 2  -->  5CO ₂  +  4H ₂ O

5.) C ₆ H ₁₂  +  8O 2  -->  5CO ₂  +  H ₂ O