Chemical Reactions

Word Equations

100

"Hydrogen gas reacts with oxygen gas to form liquid water"

Hydrogen + Oxygen --> Water

200

"Sodium reacts with chlorine gas to produce sodium chloride"

Sodium + Chlorine --> Sodium Chloride

300

"Hydrogen peroxide decomposes to form water and oxygen gas"

Hydrogen peroxide --> water + oxygen

400

"Magnesium metal reacts with Silver Nitrate to produce Magnesium Nitrate and Silver metal"

Magnesium + Silver Nitrate --> Silver + Magnesium Nitrate

500

"When sodium sulfide and calcium chloride solutions are mixed, a precipitate of calcium sulfide and sodium chloride are formed"

Sodium Sulfide + Calcium chloride --> Calcium sulfide + Sodium chloride

Chemical Equations

100

Hydrogen + Oxygen --> Water

H₂ + O₂ --> H₂O

200

Aluminum + Oxygen --> Aluminum Oxide

Al + O₂ --> Al₂O₃

300

Fluorine + Calcium Bromide --> Calcium Fluoride + Bromine

F₂ + CaBr₂ --> CaF₂ + Br₂

400

Mercury (II) oxide --> Mercury + Oxygen

HgO --> Hg + O₂

500

Potassium carbonate + Barium chloride --> Barium carbonate + Potassium chloride

K₂CO₃ + BaCl₂ --> BaCO₃ + KCl

Balancing Equations

100

NI₃ --> N₂ + I₂

2NI₃ --> N₂ + 3I₂

200

Zn + Cu₃N₂ --> Cu + Zn₃N₂

3Zn + Cu₃N₂ --> 3Cu + Zn₃N₂

300

BN + F₂ --> BF₃ + N₂

2BN + 3F₂ --> 2BF₃ + N₂

400

As + O₂ --> As₂O₅

4As + 5O₂ --> 2As₂O₅

500

H₂S + Al --> H₂ + Al₂S₃

3H₂S + 2Al --> 3H₂ + Al₂S₃

Types of Reactions

100

H₂O  🡪   H₂   +  O₂

Decomposition

200

Li + Cl₂ --> LiCl

Synthesis

300

BeCl₂ + Li → LiCl + Be

Single Displacement

400

Pb(NO₃)₂ + KI → PbI₂ + KNO₃

Double Displacement

500

KClO₃   🡪  KCl  +  O₂

Decomposition

?Mystery?

100

Name this compound:   MgO

magnesium oxide

200

Name this compound: KNO₃

potassium nitrate

300

Write the formula for: Beryllium nitride

Be₃N₂

400

Write the formula for: Calcium phosphate

Ca₃(PO₄)₂

500

Write the formula for: Sodium hydroxide

NaOH