Answer:
There are essentially three methods used to produce ethanol:
Manufacture from ethene using steam (the "synthetic" route)
Production from sugars and starches by fermentation, using yeasts.
Production from biomass waste, using bacteria.
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Answer : The final volume of gas will be, 
Explanation :
Charles' Law : It is defined as the volume of gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

or,

where,
= initial volume of gas = 
= final volume of gas = ?
= initial temperature of gas = 
= final temperature of gas = 
Now put all the given values in the above formula, we get the final volume of the gas.


Therefore, the final volume of gas will be, 
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