Write the respective chemical equations to show what happens when:
(i) Methane is burned in presence of oxygen?
(ii) Ethanol reacts with ethanoic acid in the presence of an acid acting as a catalyst?
(i) CH4 + O2 → CO2 + H2O + Heat
(ii) 
Write the respective chemical equations to show what happens when:
(i) Methane is burned in presence of oxygen?
(ii) Ethanol reacts with ethanoic acid in the presence of an acid acting as a catalyst?
(i) CH4 + O2 → CO2 + H2O + Heat
(ii)