Magnetite, an iron ore with formula Fe3O4, can be reduced by treatment with hydrogen to yield iron metal and water vapor.Write the balanced equation.

Glucose, also known as 'blood sugar' when measured in blood, has the formula C6H12O6.Write the equation for the combustion of glucose with O2 to give CO2 and H2O.

When table sugar (sucrose, C12H22O11) is heated, it decomposes to form C and H2O.Write a balanced equation for the process.

Elemental phosphorus exists as molecules of P4. It reacts with Cl2(g) to produce phosphorus pentachloride.Write the balanced chemical equation for this reaction.

Balance each of the following by adding coefficients, and identify the type of reaction for each: (7.4, 7.5)b.

Balance each of the following by adding coefficients, and identify the type of reaction for each: (7.4, 7.5)a.

If red spheres represent oxygen atoms, blue spheres represent nitrogen atoms, and all the molecules are gases, (7.4, 7.5) Reactants

→ Products

c. indicate the type of reaction as combination, decomposition, single replacement, double replacement, or combustion.

If purple spheres represent iodine atoms, white spheres represent hydrogen atoms, and all the molecules are gases, (7.4, 7.5)Reactants

→ Products

c. indicate the type of reaction as combination, decomposition, single replacement, double replacement, or combustion.