A gas balloon has a volume of 106L when the temperature is 45°C and the pressure is 740 mmHg. What will it's volume be at 20°C and 780 mmHg?
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92.66
L
Explanation:
Applying ideal gas equation considering the gas inside the balloon to be ideal,to get the new volume,
So,from ideal gas law,we get,
P
V
T
= constant
so,we can say,
P
V
T
=
P
'
V
'
T
'
Where,
P
=
740
m
m
o
f
H
g
,
P
'
=
780
m
m
o
f
H
g
,
T
=
(
45
+
273
)
=
318
K
,
T
'
=
(
20
+
273
)
=
293
K
,
V
=
106
L
So,
V
'
=
92.66
L