Table of Contents
- 1 What is the pressure in atmosphere if the barometer reading is 688 mm Hg?
- 2 What does an atmospheric pressure of 760 mmHg mean?
- 3 Is 1000 HPA high or low pressure?
- 4 How do you calculate atmospheres?
- 5 How do you calculate standard pressure?
- 6 What is considered low barometric pressure in kPa?
- 7 How to measure atmospheric pressure with a barometer?
- 8 Which is the correct value for atmospheric pressure?
- 9 How is the pressure of a gas determined?
What is the pressure in atmosphere if the barometer reading is 688 mm Hg?
The air inside the cabin must therefore be pressurised to protect the passengers. What is the pressure in atmosphere in the cabin if the barometer reading is 688 mm of Hg? (1) 0.905 atm.
What does an atmospheric pressure of 760 mmHg mean?
millimeters of mercury
At sea level, a mercury column will rise a distance of 760 mm. This atmospheric pressure is reported as 760 mmHg (millimeters of mercury). At higher altitudes, the atmospheric pressure is decreased and so the column of mercury will not rise as high. Everest (elevation of 8848 m), the air pressure is 253 mmHg.
What is normal barometric pressure in kPa?
101.325 kPa
The altimeter setting in aviation is an atmospheric pressure adjustment. Average sea-level pressure is 1013.25 mbar (101.325 kPa; 29.921 inHg; 760.00 mmHg).
Is 1000 HPA high or low pressure?
The central pressure of a shallow low is above 1000 hectopascals (hpa), of a moderate low 980-1000 hpa, and of a deep or intense low below 980hPa.
How do you calculate atmospheres?
Atmospheric pressure is the pressure caused by the mass of our gaseous atmosphere. It can be measured using mercury in the equation atmospheric pressure = density of mercury x acceleration due to gravity x height of column of mercury. Atmospheric pressure can be measured in atm, torr, mm Hg, psi, Pa, etc.
How do you calculate atmospheric pressure in kPa?
1 atm = 101,325 Pascals = 760 mm Hg = 760 torr = 14.7 psi. The prefix “kilo” means “1,000”, so one kilopascal = 1,000 Pa. Therefore, 101.325 kPa = 1 atm = 760 torr and 100 kPa = 1 bar = 750 torr.
How do you calculate standard pressure?
Elements that define standard conditions:
- The standard temperature is equal to: 273.15 K = 0°C = 32°F 🌡️
- The standard pressure is equal to: 1 atm = 760 Torr = 760 mm Hg = 101.35 kPa.
- 1 mol of ideal gas in these conditions has a volume of 22.4 Liters.
What is considered low barometric pressure in kPa?
The lowest measurable sea-level pressure is found at the centers of tropical cyclones and tornadoes, with a record low of 870 mbar (87 kPa; 26 inHg).
What is considered low pressure in kPa?
Average air pressure is around 101.3 kPa. A high pressure system would give you a reading closer to 103.0 kPa and a low pressure system might give you a reading around 100.0 kPa.
How to measure atmospheric pressure with a barometer?
Measuring Atmospheric Pressure with a Barometer. Determine the atmospheric pressure at the location where the barometer reading is 740mm Hg and the gravitational acceleration is g = 9.805 m/s². Assume the temperature of the mercury to be 10, at which density 13,570 kg/m³.
Which is the correct value for atmospheric pressure?
There is also a temperature correction chart below the calculator. The standard value for atmospheric pressure at sea level (ATM) is equal to: 1 atm = 29.92 in Hg (inches of mercury) 1 atm = 760 mm Hg (millimeters of mercury)
How to convert mmHg pressure to atm pressure?
The formula to convert from mmHg to atm is: atm = mmHg ÷ 760
How is the pressure of a gas determined?
We’re being asked to determine the pressure of a gas (in atm) using an open-end manometer. A manometer allows you to determine the pressure of a gas ( Pgas) sample by using the atmospheric pressure ( Patm) and the difference in the height of mercury ( h ). The atmospheric pressure is 752 mm Hg.