1 mole of 
gas is contained in a box of volume 
at 
. The gas is heated to a temperature of 
and the gas gets converted to a gas of hydrogen atoms. The final pressure would be: (considering all gases to be ideal)
Text Solution
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When the molecules breaks into atoms, the number of moles would become twice.
Now, by ideal gas equation
Pressure of gas,
Number of moles
Gas constant,
Temperature
As volume (V) of the container is constant.
As gases breaks, number of moles becomes twice of initial,
so 
So, 
\
Hence, final pressure of the gas would be 20 times the pressure initially.
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