What is the volume occupied by a given mass of a gas at 27 degree centigrade if it occupies a volume of 150cc at - 223 degree centigrade?
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Answer:
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Class 11
PHYSICS
Kinetic Theory Of Gases And Thermodynamics
The volume of a given mass of a gas at 27^(@)C, 1 atm is 100 cc. What will be its volume at 327^(@)C?
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Updated On: 28-5-2020
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Answer
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A
200
B
150
C
300
D
100
Answer
A
Solution
We have to convert the given temperature in kelvin.
If pressure of a given mass of the gas is kept constant, then V∝T
⇒
V
T
=constant[ V= volumeofgas T= Temperatureofgas ]
⇒
V1
T1
=
V2
T2
⇒V2=V1(
T2
T1
)
Here we must convert the given temperature in kelvin.
T1=273+27=300K
T2=273+327=600K
But, V1=100cc
V2=V1(
600
300
)⇒V2=2V1
∴V2=2×100=200cc.