Two closed chambers A and B containing two gases are connect

Two closed chambers A and B containing two gases are connected by a water manometer.

Part A

If the gage pressure of chamber A is 10 mm of mercury vacuum and the height difference of the water columns is 25 cm , determine the gage pressure in tank B if water=990kg/m3 and Hg=13,590Kg/m3.

Solution

P_A =10 mmHg

1 mmHg =0.1333224 kPa

P_A=1.333224 Kpa

Since

P_A-p_watergh =P_B-p_Hggh

=>1.333224*10³-990*9.8*0.25 =P_B-13590*9.8*0.25

P_B=32,203 Pascals or 32.2 kPa