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Mercury in a Barometer

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Why is it more practical to use mercury in a barometer than water?

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Solution Summary

This solution provides an conceptual explanation as to why mercury, rather than water, if used in a barometer. Solution is 156 words.

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It is more practical to use mercury in a barometer than water because mercury has a much higher density than water.

The height of mercury in a barometer, called the barometric pressure, varies with atmospheric ...

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