A child's balloon has a volume 3.80 dm', when temperature is 35°C. If the
balloon is put in refrigerator and cooled to 5°C, the approximate volume of the
balloon is (assume pressure inside the balloon is equal to atmospheric
pressure):
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1
Explanation:
V
1
T
1
=
V
2
T
2
(
T
in Kelvin)
20
o
C
=
20
+
273
=
293
K
150
o
C
=
150
+
273
=
423
K
0.5
293
=
V
2
423
→
V
2
=
0.5
×
423
293
=
0.72
L
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