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

Question

A bubble of air is underwater at temperature 15°C and the pressure 1.5 bar. If the bubble rises to the surface where the temperature is 25°C and the pressure is 1.0 bar, what will happen to the volume of the bubble?, volume will become greater by a factor of 1.6, volume will become greater by a factor of 1.1, volume will become smaller by a factor of 0.70, volume will become greater by a factor of 2.5

MARKS App · Accepted Answer

We know that from ideal equation, V ∝ T P Given T 1 = 15 + 273 = 288 , P 1 = 1.5 bar T 2 = 25 + 273 = 298 , P 2 = 1 bar V 1 ∝ 288 1.5 i . e . V 1 ∝ 192 and V 2 ∝ 298 1 V 2 V 1 = 298 192 = 1.55 ≅ 1.6

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