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Question
A sample of carbon dioxide occupies 30 cm3 at 15°C and 740 mm pressure. Find its volume at STP.
Solution
V = 30 cm3
P = 740 mm
T = 288 K
P1 = 760 mm
V1= ?
T1 = 273 K
Using gas equation,
`"PV"/"T" = ("P"_1 "V"_1)/"T"_1`
`(740xx30)/288 = (760xx"V"_1)/273`
`"V"_1 = 27.7 "cm"^3`
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