Question

A flask is filled with 1.57 L (L = liter) of a liquid at 94.0 °C....

A flask is filled with 1.57 L (L = liter) of a liquid at 94.0 °C. When the liquid is cooled to 17.0 °C, its volume is only 1.34 L, however. Neglect the contraction of the flask. What is the coefficient of volume expansion of the liquid?

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Answer #1

The volume of liquid at T1 = 94 deg C is V1 = 1.57 L

The volume of liquid at T2 = 17 deg C is V1 = 1.34 L

The change of volume is given by

The change of temperature is given by

The coefficient of volume expansion is given by  

the volume expansion relation is given by

putting the value we get = 1.9 X 10 -3 (1/ oC )

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