Certain mass of oxygen exerts a pressure of P' atm in vessel of volume V at 25°C in the same vessel what will be the
pressure of gas at 25K ?
(A) 0.84 P atm
(B) 0.084 P atm
(C) 2P atm
(D) 1P atm
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Answer:
(B) 0.084P atm
Explanation:
we have
PV=RT
PV/T=R
P1V1/T1 = P2V2/T2
PV/298=P2V/25
P2= 0.084P atm
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