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During an all-night cram session, a student heats up a one-half liter (0.50 10-3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19°C, and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen to 90°C. The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker?

Wouldn't you use the volume coefficent of water, and compute the new volume? I will be happy to critique your work.

  • Physics -

    you have to find the deltaV for the water, then the deltaV for the pyrex beaker, then subtract the two.

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