General Question

tirithalui's avatar

Why do bubbles form on the inside of a glass or jug of water when it is left for a while?

Asked by tirithalui (408points) August 1st, 2009
4 responses
“Great Question” (1points)

I’ve never understood why it happened. Anyone know?

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Answers

dpworkin's avatar

Dissolved gasses are released by changes in pressure and temperature.

Jayne's avatar

As the water warms up to adapt to the room temperature, the solubility of air decreases, and air comes out of solution, in some cases forming bubbles. Excluding the surface of the water, this will happen most often at the interface between the container and the water, where the water is warmest.

dpworkin's avatar

Oh, that was a much better answer! 5 points!

tirithalui's avatar

Thank you! It makes so much sense now.

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