What is happening with parameters(pressure, volume, and temperature)of an air bubble released by a frog at the bottom of a lake and explain why?
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When an air bubble is released by a frog at the bottom of a lake, several factors come into play in determining its behavior. The three main parameters that affect the bubble are pressure, volume, and temperature.
Pressure: As the air bubble rises to the surface of the lake, the pressure on the bubble decreases. This is because pressure increases with depth in a liquid, and the bubble moves from high pressure at the bottom to lower pressure as it rises. The decrease in pressure causes the bubble to expand.
Volume: As the pressure decreases during the ascent, the volume of the air bubble increases. Boyle's Law states that the pressure and volume of a gas are inversely proportional when temperature is constant. In this case, as the pressure on the bubble decreases, its volume increases. This expansion allows the bubble to rise more easily through the water.
Temperature: The temperature remains relatively constant during the ascent of the bubble because the surrounding water tends to maintain a stable temperature. However, if the water temperature varies significantly or the bubble spends a long time rising, its temperature may change. Charles's Law states that the volume of a gas is directly proportional to its temperature when pressure is constant. Therefore, if the temperature of the bubble increases, its volume will also increase.
In summary, when an air bubble released by a frog rises to the surface of a lake, the pressure on the bubble decreases, causing it to expand. Simultaneously, the volume of the bubble increases due to the reduced pressure. The temperature of the bubble generally remains constant, but if there are variations in the water temperature or a prolonged ascent, it may change.