chemical equations in chapter 1

magnesium and oxygen

Mg + O₂ → 2MgO

zinc and hydrogen sulphate

Zn + H2SO4 → ZnSO4 + H2

iron and water

3Fe + 4H2O → Fe3O4 + 4H2

Carbon oxide and hydrogen. state the condition

CO + 2H2 → CH3OH (methyl) ; 340 atms.

formation of glucose in plants

6CO2 + 12H2O → C6H12O6 + 6O2 + 6H2O

formation of calcium hydroxide

CaO + 2H2O → Ca(OH)2 + H2

formation of calcium carbonate

Ca(OH)2 + H2O → CaCO3 + H2O

formation of carbon dioxide upon burning coal

C + O2 → CO2

formation of water

2H2 + O2 → 2H2O

burning of natural gas

CH4 + 2O2 → CO2 + 2H2O

breaking down of glucose during respiration

C6H12O6 + 602 → 6CO2 + 6H2O

decomposition of iron (II) sulphate

2FeSO4 → Fe2O3 + SO2 + SO3

decomposition of calcium carbonate

CaCO3 → CaO+CO2

decomposition of lead nitrate

2Pb(NO3)2 → 2PbO + 4NO2 + O2

decomposition of silver chloride

2AgCl → 2Ag + Cl2 (photolysis)

decomposition of silver bromide

2AgBr → 2Ag + Br2

displacement of iron and copper sulphate

Fe + CuSO4 → FeSO4 + Cu

displacement of zinc and copper sulphate

Zn + CuSO4 → ZnSO4 + Cu

displacement of lead and copper chloride

Pb + CuCl2 → PbCl2 + Cu

double displacement of sodium sulphate and barium chloride

Na2SO4 + BaCl2 → NaCl + BaSO4

oxidization of copper

2Cu + O2 → 2CuO

reaction of manganese oxide and hydrochloric acid

MnO2 + 4HCl → MnCl2 + 2H2O + Cl2