During an all-night cram session, a student heats up a 0.425 liter (0.425 x 10-

Question

During an all-night cram session, a student heats up a 0.425 liter (0.425 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 15.4 °C, and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen to 92.8 °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?

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Explanation / Answer

coefficient of volume expansion of coffee = volume expleed/(original volume*temperature difference)

0.000214 = volume expelled/(0.425*10^-3*(92.8-15.4))

volume expelled = 0.000214*(0.425*10^-3*(92.8-15.4))

volume expelled = 7.04*10^-6 m^3

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