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A Sample of Carbon Dioxide Occupies 30 Cm3 at 15°C and 740 Mm Pressure. Find Its Volume at Stp. - Chemistry

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Numerical

A sample of carbon dioxide occupies 30 cm3 at 15°C and 740 mm pressure. Find its volume at STP.

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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`

Concept: Standard Temperature Pressure (S.T.P.)
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APPEARS IN

Selina Concise Science Chemistry 1 Class 9 ICSE
Chapter 7 Study of Gas Laws
Exercise 7 (B) | Q 14 | Page 127
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