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QUESTION
Initially the two columns of water are even. Atmospheric pressure is 1.0 105 Pa.
An experiment makes use of a water manometer attached to a flask (the figure attached). Initially the two columns of water are even. Atmospheric pressure is 1.0 105 Pa. After heating the gas, the water levels change to those shown. Find the change in pressure of the gas in Pa. (For the density of water use 1000 kg/m3.)
