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a)What is the change in length in millimeters of a 3.00-cm-long column of mercury if its...

a)What is the change in length in millimeters of a 3.00-cm-long column of mercury if its temperature changes from 30.0°C to 46.0°C, assuming the mercury is unconstrained lengthwise?

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b)Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. To get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.25 km high for a temperature increase of 1.14°C. Note that this calculation is only approximate because ocean warming is not uniform with depth. (Assume the expansion of the column is unconstrained.)

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