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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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    https://brainmass.com/physics/acceleration/mercury-barometer-23375

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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 ...

    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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