Part A The barometer shown here ( Figure 1 ) measures atmospheric pressure in mi

Question

Part A

The barometer shown here (Figure 1) measures atmospheric pressure in millimeters of mercury (mmHg). According to this barometer, what is the atmospheric pressure P in inches of mercury (inHg)

Part B

At a pressure of 919mbar , what would the height of the mercury in the column of a mercury barometer?

no title provided Part A The barometer shown here (Figure 1) measures atmospheric pressure in millimeters of mercury (mmHg). According to this barometer, what is the atmospheric pressure P in inches of mercury (inHg) Part B At a pressure of 919mbar , what would the height of the mercury in the column of a mercury barometer?

Explanation / Answer

a) 1inch=25.4mm

therefore, 753.4 mm of hg is equal to 753.4/25.4 inhg

= 29.661 inhg

b) 1 bar = 1000 mbar = 750mmhg

therefore 919 mbar = 750*919/1000

=689.25

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