Would the boiling point of water be higher or lower at on the top of a mountain peak?

Question

Would the boiling point of water be higher or lower at on the top of a mountain peak? How would the boiling point be affected in a pressurized boiler?

This is the full question that I had for you all. Please help me. thanks in advance.

Answer 1

Lower.

All liquids, at any temperature, exert a certain vapor pressure. The vapor pressure can be thought of as the degree to which the liquid molecules are escaping into the vapor phase. The vapor pressure increases with temperature, because at higher temperature the molecules are moving faster and more able to overcome the attractive intermolecular forces that tend to bind them together. Boiling occurs when the vapor pressure reaches or exceeds the surrounding pressure from the atmosphere or whatever else is in contact with the liquid.

At standard atmospheric pressure (1 atmosphere = 0.101325 MPa), water boils at approximately 100 degrees Celsius. That is simply another way of saying that the vapor pressure of water at that temperature is 1 atmosphere. At higher pressures (such as the pressure generated in a pressure cooker), the temperature must be higher before the vapor pressure reaches the surrounding pressure, so water under pressure boils at a higher temperature. Similarly, when the surrounding pressure is lower (such as at high altitudes), the vapor pressure reaches that pressure at a lower temperature. For example, in the Denver, Colorado area of the U.S. where the elevation above sea level is approximately one mile (1600 meters), the atmospheric pressure is about 83% of a standard atmosphere, and water boils at approximately 95 degrees Celsius.

Answer 2

I don't know about temparatrues, but when i go hiking in the mountains it seems to boil faster at elevation. Normally it takes several ten minute time segments to boil it on my camping stove, but at 10,000 feet it only took one.
I've never used a preassurized boiler, too heavy.
hope it helps

Answer 3

boiling point is lower because air pressure is lower allowing water to vaporize more quickly at a lower temp.

Answer 4

as pressure decreases so does bp.