A ertain mass of a gas occupies a volume of 2 litre at STP Keeping the pressure constant at what
temperature would the gas occupy a volume of 4 litre
(A) 546
(B) 273
(C) 100C
(D) 50°C
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Answer:
V1=2L
V2=4L
T1=0℃=273K
Since P is constant----------(1)
therefore,
using,
P1×V1÷T1=P2×V2÷T2 we get,
P×V1÷T1=P×V2÷T2. {using (1)}
T1×V2÷V1=T2
T2=273×4÷2=273×2=546K
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