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A cube of ice is added to a glass of pure ethanol and it sinks to...

A cube of ice is added to a glass of pure ethanol and it sinks to the bottom of the glass. What would happen to the level of the scotch when the ice melts? The ice cube is 5 cm3, the glass has a diameter of 4 cm and the top of the ethanol is 4 cm above the bottom. How much does the level changes when the ice melts (in cm)?

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