What is meant by the statement 'the atmospheric pressure at a place is 76 cm of Hg'? State its value in Pa.

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Solution

The atmospheric pressure at a place is 76 cm of Hg means at normal temperature and pressure, the height of the mercury column supported by the atmospheric pressure is 76 cm.
76 cm of Hg = 1.013 x 10⁵ pascal

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What is meant by the statement 'the atmospheric pressure at a place is 76 cm of Hg'? State its value in Pa.

The atmospheric pressure at a place is 76 cm of Hg means at normal temperature and pressure, the height of the mercury column supported by the atmospheric pressure is 76 cm. 76 cm of Hg = 1.013 x 105 pascal

The atmospheric pressure at a place is 76 cm of Hg means at normal temperature and pressure, the height of the mercury column supported by the atmospheric pressure is 76 cm.
76 cm of Hg = 1.013 x 10⁵ pascal