Question

Write a balanced equation for ethanol is burnt in an air to form carbon dioxide water and releases heat

Answer 1

Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of concentrated H2SO4 .

Answer: C2H5OH + CH3COOH ⇨ CH3COOC2H5 + H2O

Ethene is burnt in the presence of oxygen to form carbon dioxide, water and releases heat and light.

Answer: C2H4 + 3O2 ⇨ 2CO2 + 2H2O + Heat + Light

Answer 2

Answer:

ethanol - C2H5OH

combustion means adding oxygen so the unbalanced equation will be

C2H5OH + O2 ---> CO2 + H2O +HEAT

BALANCING IT WE GET

C2H5OH + 3O2 ---> 2CO2 + 3O2 + HEAT

FIRST BALANCE CARBON THEN OXYGEN THEN HYDROGEN

METHOD OF BALANCING EQUATION :-

BALANCE METALS FIRST THEN NON - METALS THEN CHECK IF METALS ARE BALANCED IF NOT THEN BALANCE THEM AGAIN THEN AGAIN BALANCE NON METAL. REPEAT UNTIL BOTH ARE BALANCED THEN START BALANCING OXYGEN AND CHECK F METAL AND NON METAL ARE BALANCED AFTER BLANCING OXYGEN. REPEAT BALANCING UNTIL ALL THREE ARE BALANCED THEN BALANCE HYDROGEN....

HOPE IT HELPS..

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