BP = 86.14°C
The boiling point of water at 1.40×104 ft is 86.14°C.
|Absolute pressure||Water boiling point|
At sea level, water boils at 100 °C (212 °F). For every 152.4-metre (500 ft) increase in elevation, water’s boiling point is lowered by approximately 0.5 °C. At 2,438.4 metres (8,000 ft) in elevation, water boils at just 92 °C (198 °F).
At an altitude of 8000ft, water boils at 197.6∘F.
|Altitude ft. (meters)||Boiling Point – Fahrenheit||Boiling Point – Celsius|
|7000 ft. (2134 m.)||198.5 ºF||92.5 ºC|
|7500 ft. (2286 m.)||198 ºF||92 ºC|
|8000 ft. (2438 m.)||197 ºF||91.5 ºC|
|8500 ft. (2591 m.)||196 ºF||91 ºC|
|Altitude – compared to Sea Level||Boiling Point|
The IUPAC recommended standard boiling point of water at a standard pressure of 100 kPa (1 bar) is 99.61 °C (211.3 °F). For comparison, on top of Mount Everest, at 8,848 m (29,029 ft) elevation, the pressure is about 34 kPa (255 Torr) and the boiling point of water is 71 °C (160 °F).
However, the boiling point of water falls by 1.8 degrees for each 1,000-foot increase in altitude. For example, at mile-high Denver (elevation 5,280 feet), water boils at about 202 degrees.
For example, at sea level, water boils at 212F. However, for every 500 feet above sea level, water boils about at 0.9F less. At 1,000 feet, then, water boils at about 210.2; at 2,000 feet, about 208.4; at 3,000 feet, about 206.6, etc.
The Formula for Boiling Point
It are often calculated as: Kb = RTb2M/ΔHv, R is that the universal gas constant. Tb is that the boiling temperature of the pure solvent [in K] M is that the molar mass of the solvent.
If the boiling point values for a specified substance at a specified BP temperature and pressure are given, one can determine the Boiling Point at different vapor pressure values using the Clausis-Clapeyron Equation. The Clausis-Clapeyron Equation is derived from VP2=VP1e−ΔHvRT at two different temperatures.
The boiling point of water is 100 degrees Celsius. The equation for boiling-point elevation is delta T = mKb.
Most cookbooks consider 3,000 feet above sea level to be high altitude, although at 2,000 feet above sea level, the boiling temperature of water is 208 °F instead of 212 °F.
Water boils at sea level at 100 degrees Celsius. Not 99 degrees, but 100 degrees. … Just like water that is lukewarm and will never boil, people who do not live life beyond their basic needs will not actualize.
In Johannesburg, at 1750 metres above sea level, water boils at about 94.5°C. In Durban, at sea level, it boils at 100°C.
Above 212°F at standard pressure, liquid water is unstable. It will evaporate very rapidly from the surface. If the temperature is held constant (which requires some heat input, since evaporation cools things) the liquid will all evaporate. If the temperature is much above 212°F, the water will boil.
What is the Boiling Point of Water? Water boils at 212°F at sea level, but only at sea level.
Liquid boils at a lower temperature —about 2 degrees for every 1,000 foot difference from sea level — because there’s not as much air pressure to inhibit the boiling action. (At sea level, water boils at 212 degrees. At 4,000 feet, water boils at 202 to 204 degrees.)
Denver is situated at a high altitude of 5,280 feet (one mile high) above sea level. Visitors from lower elevations often underestimate the effects of altitude on their health and physical abilities. With high altitude living, the body gradually acclimates to the lower air pressure and decreased oxygen.
Albuquerque is perched at a little over 5,300 feet, which changes the alchemy of the way we bake. Follow these simple guidelines and your Thanksgiving cakes won’t fall flat.
Because water doesn’t reach a vapor pressure of 2 atm until the temperature is 120oC, it boils in this container at 120oC. Liquids often boil in an uneven fashion, or bump.
|Gauge Pressure (rel. to sea level)||Temperature||Appr. Cooking time (compared to boiling)|
|0.7 bar (10 psi)||116 °C (241 °F)||33%|
|0.8 bar (12 psi)||117 °C (243 °F)||31%|
|0.9 bar (13 psi)||119 °C (246 °F)||27%|
|1.0 bar (15 psi)||121 °C (250 °F)||23%|
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