Formulas And Equations Flashcards by Abigail Swanepoel

Q

Water

A

H2O

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Q

Eqn. Water

A

2H2+O2 -> 2H2O

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Q

Rust

A

2Fe2O3

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Q

Eqn. Rust

A

4Fe+3O2 -> 2Fe2O3

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Q

Magnesium oxide

A

MgO

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Q

Eqn. Magnesium oxide

A

2Mg+O2 -> 2MgO

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Q

Copper oxide

A

CuO

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Q

Eqn. Copper oxide

A

2Cu+O2 -> 2CuO

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Q

Sodium oxide

A

Na2O

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Q

Eqn. Sodium oxide

A

4Na+O2 -> 2Na2O

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Q

Calcium oxide

A

CaO

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Q

Eqn. Calcium oxide

A

2Ca+O2 -> 2CaO

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Q

Sulphur trioxide

A

SO3

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Q

Carbon monoxide

A

CO

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Q

Potassium oxide

A

K2O

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Q

Eqn. Potassium oxide

A

4K + O2 -> 2K2O

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Q

Magnetite

A

Fe3O4

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Q

Eqn. Magnetite

A

🔺

3Fe+2O2 -> Fe3O4

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Q

Metal oxide

A

Metal+oxygen -> metal oxide

Q

Eqn. Non-metal oxide

A

Non-metal+oxygen -> non-metal oxide

Q

Sulphur dioxide

A

SO2

Q

Eqn. Sulphur dioxide

A

S (s) + O2 (g) -> SO2 (g)

Q

Eqn. Carbon dioxide

A

C (s) + O2 (g) -> CO2 (g)

Q

Phosphorous pentoxide

A

P4O10 (s)

Q

Eqn. Phosphorous pentoxide

A

4P (s) + 4O2 (g) -> P4O10 (s)

Q

Vinegar (acetic acid)

A

HC2H3O2 (l)

Q

Bicarbonate of soda

A

NaHCO3

Q

Eqn. Sodium acetate

A

NaHCO3 (s) + HC2H3O2 (l) -> NaC2H3O2+H2O (l) +CO2 (g)

Q

Sulfuric acid

A

H2SO4

Q

Hydrochloric acid

A

HCl

Q

Magnesium chloride

A

MgCl2

Q

Eqn. Magnesium chloride

A

2HCl + MgO -> MgCl2 + H2O

Q

Limestone

A

CaCO3

Q

Carbon dioxide

A

CO2

Q

Caustic soda

A

NaOH

Q

Limewater

A

Ca(OH)2

Q

Eqn. Neutralisation of metal hydroxide

A

Acid + metal hydroxide -> salt + water

Q

Eqn. Metals with oxygen

A

Metal + oxygen -> metal oxide

Q

Eqn. Non-metals with oxygen

A

Non-metal + oxygen -> non-metal oxide

Q

Eqn. Acids with metal oxides

A

Acid + metal oxide -> salt + water

Q

Eqn. Acids with metal hydroxides

A

Acid + metal hydroxide -> salt + water

Q

Eqn. Acids with metal carbonates

A

Acid + metal carbonate -> salt + carbon dioxide + water

Q

Eqn. Acids with hydrogen

A

Acid + metal -> salt + hydrogen gas

Q

Eqn. Acid and magnesium

A

2HCl + Mg -> MgCl2 + H2

Q

Hydroxide

A

OH

Q

Carbonate

A

CO3