Write the balanced equation for each of the chemical
reactions:
a) Solid sodium is added to water and reacts to form a solution
of sodium hydroxide.
b) Solid cobalt (III) oxide reacts with carbon to produce cobalt
metal and carbon dioxide.
c) The fermentation of sugar, C12H22O11, in which aqueous sugar
reacts with water to form aqueous ethanol, C2h5OH, and carbon
dioxide gas.
d) Solid metallic aluminum reacts with aqueous hydrochloric acid
to produce aqueous aluminum chloride and hydrogen gas.