50 dm of gas is cooled at 127C to 127K at constant pressure what will be its pressure at 25 dm and 73 K
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Answer:
Solution:-
According to Charle's law
V∝T
V
2
V
1
=
T
2
T
1
Let the initial volume be V.
∴ Initial volume, (V
1
)=10L
Final volume, (V
2
)=?
Initial temperature, (T
1
)=127℃=(273+127)K=400K
Final temperature, (T
2
)=−73℃=(227+(−73))K=200K
V
2
10
=
200
400
⇒V
2
=
2
10
=5L
Hence, at 73
0
C the volume of the gas will be 5L.
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