Chemistry Review

Mole Ratios and more

100

These are the diatomic molecules.

N₂, H₂, F₂, O₂, I₂, Cl₂, Br₂

200

moles of potassium oxide (K₂O) formed when 1.52 moles of potassium reacts according to the following reaction: 4 K  +  O₂  →  2  K₂O

0.76 mol K₂O

300

Moles of iron (III) sulfide required if 32.3 moles of carbon disulfide are produced from the reaction: 

2Fe₂S₃ + 3C → 4Fe + 3CS₂

21.5 mol Fe₂S₃

400

The coefficients needed to balance the following equation: 

__Na₃As +  __F₂ →  __NaF +  __As

2, 3, 6, 2

500

The definition of a coefficient.

The big number in front of the chemical formula.

Types of Reactions

100

The following is an example of what type of reaction:

 2 CO(g) + O2(g) → 2CO2(g)

Synthesis Reaction

200

The following is what type of reaction:

Zn + 2HCl -> ZnCl2 + H2

Single Replacement Reaction

300

What is the the following type of reaction:

BaCl2 + Na2SO4 → BaSO4 + 2NaCl

Double Replacement Reaction

400

The following is what type of reaction:

2H2O2 → 2H2O + O2

Decomposition Reaction

500

The following reactions is what type:

CH₄ + 2O₂ → CO₂ + 2H₂O

 Combustion

Naming Compounds

100

Aluminum + Sulfur

Aluminum Sulfide

200

Cu₃PO₄

Copper (I) Phosphate

300

P₄O₁₀

Tetraphosphorus Decoxide

400

Na₃N

Sodium Nitride

500

K₂Cr₂O₇

Potassium Dichromate

Writing Compounds

100

Carbon Disulfide

CS₂

200

Rubidium Phosphide

Rb₃P

300

Magnesium Chloride

MgCl₂

400

Lead (II) Hydroxide

Pb(OH)₂

500

Iron (II) Carbonate

FeCO₃

Balancing

100

___PbSO₄ -> ___PbSO₃ + ___O₂

2, 2, 1

200

___NaBr + ___H₃PO₄ -> ___Na₃PO₄ + ___HBr

3, 1, 1, 3

300

___Mg + ___Fe₂O₃ -> ___Fe + ___MgO

3, 1, 2, 3

400

___Ca(OH)₂ + ___Al₂(SO₄)₃ -> ___CaSO₄ + ___Al(OH)₃

3, 1, 3, 2

500

___H₂SO₄ + ___NH₄OH -> ___H₂O + ___(NH₄)₂SO₄

1, 2, 2, 1