Question:

If given a water barometer shows reading 6mmHg, is converting to mmH2O converted by following eq:?

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6 X (density of mecury)/(density of water)

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  1. yes it is

    back to the basic:

    to calculate pressure :

    (height of mercuy)x(density of mercury)xg = (height of water)x(density of water)xg

    simplify it you'll get

    6 X (density of mecury)/(density of water)


  2. Only a mercury barometer will read 6mmHg.

    To convert this reading to mmH2O, multiply it by RHOm/RHOw

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