Chemical Reactions

Reaction Types

100

This reactions always produces carbon dioxide and water.

What is combustion?

200

When two elements come together to form a larger compound.

What is synthesis?

300

When a large compound breaks down into smaller parts.

What is decomposition?

400

When an element reacts with a compound to form a new element and a new compound.

What is single replacement reaction?

500

When 2 compounds react to form 2 new compounds.

What is double replacement reaction?

Balancing Equations

100

Na + MgBr₂  ->  Mg + NaBr

What is

2Na + MgBr₂  ->  Mg + 2NaBr

200

Fe₂O₃  ->  Fe + O₂

What is

2Fe₂O₃  ->  4Fe + 3O₂

300

H₂SO₄ + Al(OH)₃  ->  H₂O + Al₂(SO₄)₃

What is

3H₂SO₄ + 2Al(OH)₃  ->  6H₂O + Al₂(SO₄)₃ 

400

C₄H₁₀ + O₂  ->  H₂O + CO₂

What is 

2C₄H₁₀ + 13O₂  ->  10H₂O + 8CO₂

500

C₁₂H₂₂O₁₁ + H₂SO₄  ->  C + H₂O + SO₃

What is

2C₁₂H₂₂O₁₁ + H₂SO₄  ->  24C + 23H₂O + SO₃

                               or

C₁₂H₂₂O₁₁ + H₂SO₄  ->  12C + 12H₂O + SO₃

Predicting Products

100

Ca + Cl₂  ->  ?

What is

Ca + Cl₂  ->  CaCl₂

200

CH₄ + O₂  -> ?

What is

CH₄ + 2O₂  -> 2H₂O + CO₂

300

MgCl₂ + O₂  -> ?

What is

2MgCl₂ + O₂  -> 2MgO + 2Cl₂

400

Ra(NO₃)₂ + NaF  ->  ?

What is

Ra(NO₃)₂ + 2NaF  -> 2NaNO₃ + RaF₂

500

H₃PO₄ + Mg(OH)₂  ->  ?

What is

2H₃PO₄ + 3Mg(OH)₂  ->  Mg₃(PO₄)₂ + 6H₂O

Miscellaneous

100

Predict the following products & balance:

Al + F₂  ->  ?

What is

2Al + 3F₂  ->  2AlF₃

200

Predict the following products & balance:

HCl + NaOH  ->  ?

What is

HCl + NaOH  ->  H₂O + NaCl

300

When a hydrogen compound reacts with a hydroxide or carbonate to form water and a salt.

What is

Acid/Base reaction

400

Balance the following reaction:

C₆H₆ + O₂  ->  H₂O + CO₂

What is

2C₆H₆ + 15O₂  ->  6H₂O + 12CO₂

500

The seven elements that are diatomic when found pure in nature.

What is hydrogen, oxygen, nitrogen, chlorine, bromine, iodine, and fluorine?

H O N Cl Br I F

Activity Series

100

If this reaction can happen, predict the products.

AgC₂H₃O₂  +  Ca -->

No Reaction

200

Is this a possible and balanced reaction?

2 Al  +  3(PbNO₃)₂  -->  3Pb  +  2Al(NO₃)₃

Yes

300

Can this reaction happen?  If so, predict the products and balance the equation.

Cl₂ + KI -->

Yes.
Cl₂ + 2KI -->  I₂  +  2KCl

400

Is this a possible and balanced reaction? 

Zn +  2AgNO₃ -->  2NO₃  +   2ZnAg

No

500

Can Calcium replace Bromine in a reaction?

no