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Reptile [31]
3 years ago
5

What is the pressure in a gas container that is connected to an open-end U-tube manometer if thepressure of the atmosphere is 75

2 torr and the level of mercury in the arm connected to thecontainer is 8.60 cm higher than the level of mercury open to the atmosphere
Physics
1 answer:
VARVARA [1.3K]3 years ago
4 0

Answer:

The pressure in a gas container  is 839.44mmHg

Explanation:

Density of Mercury = 13.56g/cm³ = 13556kg/m³

P_{A} = P_{0} +  hρg/ P₀

where, g= acceleration due to gravity, 10m/s²

h= height= 8.6cm = 0.086m

P_{A}= hρg/ P₀

= 0.086 × 13556  × 10

= 11658.16 kgm/ m²s²

= 11658.16 N/m² = 11658.16pa

= 87.4434mmHg

where 1 torr = 1mmHg

P_{0}= 752torr = 752mmHg

P_{A = 752 + 87.4434

= 839.44mmHg

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