A gas is filled into a bulb connected to an open limb manometer. the level of mercury in the open arm is 2.1 cm lower than that of the other arm of manometer. the atmosphere pressure is 720 mm. what is the pressure of the gas.
Answers
Answered by
17
height=2.1cm
converting height to mm;
1cm=10 mm
therefore 2.1cm=2.1*10=21mm
at equilibrium,pressure acting on mercury column =gas pressure
pressure=density*height*gravity pull
p=13.6*21*10=2856mmHg
converting height to mm;
1cm=10 mm
therefore 2.1cm=2.1*10=21mm
at equilibrium,pressure acting on mercury column =gas pressure
pressure=density*height*gravity pull
p=13.6*21*10=2856mmHg
Similar questions