Homework Help: chem - dry ice activity

Posted by janis on Sunday, April 22, 2007 at 6:03pm.

when the dry ice is in the water it occasionally makes a popping sound. how can you explain that?

I expect you are hearing the stress fractures of the dry ice crystals. The same thing happens when you take VERY cold ice cubes from the refrigerator, place them in a glass, then add tap water over the ice. You will hear it pop. Try it.

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