The pressure of this sample at 27° c and at the same volume is calculated to be 0.6 atm.
Law of Gay-Lussac states that pressure of a given mass of gas varies directly with Kelvin temperature when the volume is constant.
Given that the volumes of the two states are equal. At constant volume, we use the Gay-Lussac equation:
As, P₁/T₁ = P₂/T₂
Given P1= 0.8 , T1= 127°
and T2= 27°
Now, (0.8)/(127+273) = (P₂)/(27+273)
We get, P₂ = 0.6 atm
The pressure of this sample at 27° c and at same volume is 0.6 atm.
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