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Question

A bubble of air is underwater at temperature 15oC and the pressure 1.5 bar. If the bubble rises to the surface where the temperature is 25oC and the pressure is 1.0 bar, what will happen to the volume of the bubble?

A
Volume will become greater by a factor of 2.5
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B
Volume will become greater by a factor of 1.6
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C
Volume will become greater by a factor of 1.1
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D
Volume will become smaller by a factor of 0.70
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Solution

The correct option is B Volume will become greater by a factor of 1.6
P1=1.5bar P2=1
T1=288K T2=298K
V1=V V2=?
P1V1T1=P2V2T2
V2=1.55V

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