A manometer reads the pressure of a gas in an enclosure as shown in figure (a) When some of the ...

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A manometer reads the pressure of a gas in an enclosure as shown in figure (a) When some of the gas is removed by a pump, the manometer reads as in (b). The liquid used in the manometers is mercury and the atmospheric pressure is \( 76 \mathrm{~cm} \) of mercury.
(a)
(b)
(i) Give the absolute and gauge pressure of the gas in the enclosure for cases (a) and (b) in units of \( \mathrm{cm} \) of mercury.
(ii) How would the levels change in case (b) if \( 13.6 \mathrm{~cm} \) of water are poured into the right limb of the manometer?
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