JAMB - Chemistry (1981 - No. 29)
28.8 cm3 of nitrogen at 15°C is cooled to O°C at constant pressure, the new volume of nitrogen is?
17.4 cm3
14.7 cm3
27.3 cm3
31.7 cm3
คำอธิบาย
(V1)/(T1) = (V2)/(T2) (288 cm3)/(288) = (V2)/(273)
V2 = (288 x 273)/(288) = 273 cm3
V2 = (288 x 273)/(288) = 273 cm3