A sample of nitrogen occupies a volume of 350cm^3 at stp then its volume at 550k and 0.5atm pressure is aproximately
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Use p1 v1 ÷T1 = p2v2÷ T2
P1 = 1 atm
V1 = 350 cm3
T1 = 273 k
P2 = 0.5 atm
T2 = 550 k
V2 =?
V2 = p1 v1 T2 ÷ T1 p2
V2 = 1 × 350 ×550 ÷ 273 × 0.5
V2 = 1410.2 cm3
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