Question

How much quantity of co2 reaches the atmosphere when 1 kg of methane is burnt

Answer 1

when methane is burnt in the presence of Oxygen, it gives carbon dioxide and water. reaction of methane with oxygen is ...

$CH_4+2O_2\rightarrow CO_2+2H_2O$

from reaction, it is clear that one mole of methane forms 1 mole of carbon dioxide.

we know, molar mass of methane = 16g/mol

and molar mass of carbon dioxide = 44g/mol

or, 16g of methane produces 44g of carbon dioxide.

or, 1kg of methane produces 44/16 × 1 kg = 2.75 Kg, of carbon dioxide.

hence, amount of CO2 reaches atmosphere when 1kg methane is burnt = 2.75kg

Answer 2

Answer:

2.75 kg of CO2 reaches the atmosphere when 1 kg of methane is burnt.

Explanation:

When methane is burnt the reaction will be CH4 + 202 → CO2 + 2H2O

Molecular weight of methane is CH4 = 12 + 4 = 16gm

According to reaction, if 16 gm of methane produces 44gm of carbon dioxide

So, 1000gm of methane will produce = 44 x 1000/16 = 2,750 gm of CO2

We can convert the 2,750 gm of carbon dioxide into kilo gram and it will be 2.75kg.